Just to say, having checked through my own system, I also have fuse as a 'normal' group, so that doesn't seem to be wrong, although it means GIDs will tend to be offset by one from UIDs. It's ugly but it doesn't matter. Sorry for misleading you there.
500 is right for the first user on the system.
Can you post the result of ls -la /home/buck, please.
Also df
ok, great, kj! I'm feeling better.

Still wondering about the other questions, though.
[buck@localhost root]$ ls -la /home/buck
total 6976
drwxr-xr-x 59 buck buck 4096 Oct 2 12:10 ./
drwxr-xr-x 5 root root 4096 Oct 2 11:19 ../
-rw-r--r-- 1 buck buck 9947 Feb 28 2010 1913_Changed the US.odt
drwxr-xr-x 2 buck buck 4096 Jul 18 2010 .AbiSuite/
drwxr-xr-x 3 buck buck 4096 Feb 24 2009 .adobe/
-rw-r--r-- 1 buck buck 4450 Jun 18 2010 ancestor_chart.odt
-rw-r--r-- 1 buck buck 22015 Jun 23 2010 ancestor_chart.pdf
-rw-r--r-- 1 buck buck 26089 Mar 6 2009 Article about Politicians.odt
drwxr-xr-x 2 buck buck 4096 Feb 8 2010 backup/
-rw-r--r-- 1 buck buck 27952 Feb 8 2010 backup_mondo.odt
-rw-r--r-- 1 buck buck 31869 Feb 8 2010 Backup_rsync.odt
-rw-r--r-- 1 buck buck 24656 Feb 9 2010 backup_with_Grsync.odt
-rw-r--r-- 1 buck buck 27899 Sep 2 2011 Baker.odt
-rw-r--r-- 1 buck buck 4310 Sep 29 18:09 .bash_history
-rw-r--r-- 1 buck buck 24 Oct 10 2008 .bash_logout
-rw-r--r-- 1 buck buck 376 Oct 10 2008 .bash_profile
-rw-r--r-- 1 buck buck 124 Oct 10 2008 .bashrc
drwxr-xr-x 2 buck buck 4096 Oct 10 2008 .beryl/
drwxr-xr-x 2 buck buck 4096 Sep 16 19:58 bin/
-rw-r--r-- 1 buck buck 16599 Feb 11 2009 Bonnie Pye.odt
-rw-r--r-- 1 buck buck 5497 Jun 22 2010 BuckReport.odt
-rw-r--r-- 1 buck buck 32108 Apr 19 2010 By-Laws.odt
drwxr-xr-x 2 buck buck 4096 Dec 25 2009 .cache/
drwxr-xr-x 4 buck buck 4096 Oct 18 2010 .config/
-rw-r--r-- 1 buck buck 67047 Nov 25 2008 Constitution.odt
-rw-r--r-- 1 buck buck 73398 Feb 15 2009 Constitution of SC.odt
-rw-r--r-- 1 buck buck 14747 Jul 11 2011 DayCare Letter.odt
drwxr-xr-x 3 buck buck 4096 Nov 25 2009 .dbus/
-rw-r--r-- 1 buck buck 4760 Nov 5 2008 descend_chart2.odt
-rw-r--r-- 1 buck buck 20847 Nov 2 2008 descend_report.html
-rwxr-xr-x 1 buck buck 12 Aug 20 15:49 .desktop*
drwxr-xr-x 2 buck buck 12288 Sep 26 22:11 Desktop/
-rw-r--r-- 1 buck buck 5674 Nov 5 2008 det_descendant_report_Daniel_Douglas.odt
-rw-r--r-- 1 buck buck 15327 Nov 7 2008 det_descendant_report_Duncan.odt
-rw-r--r-- 1 buck buck 5674 Nov 5 2008 det_descendant_report.odt
-rw-r--r-- 1 buck buck 51 Apr 16 2009 .devede
-rw-r--r-- 1 buck buck 24 Aug 20 15:49 .dmrc
drwxr-xr-x 7 buck buck 4096 Jan 19 2010 Documents/
drwxr-xr-x 2 buck buck 4096 Jan 19 2010 Downloads/
-rw-r--r-- 1 buck buck 21322 Mar 20 2010 DSS Letter.odt
drwxr-xr-x 3 buck buck 4096 Mar 11 2010 .dvdcss/
drwxr-xr-x 3 buck buck 4096 Oct 10 2008 .emerald/
-rw-r--r-- 1 buck buck 10125 Feb 20 2009 envelope.odt
-rw-r--r-- 1 buck buck 16 Mar 11 2009 .esd_auth
-rw-r--r-- 1 buck buck 5268 Nov 5 2008 family_group.odt
-rw-r--r-- 1 buck buck 552868 Feb 8 2010 Firefox_wallpaper.png
drwxr-xr-x 2 buck buck 4096 Jun 16 2010 .fontconfig/
-rw-r--r-- 1 buck buck 516 Oct 10 2008 .fonts.conf
-rw-r--r-- 1 buck buck 15663 Sep 24 21:45 Format_flashdrive.odt
drwxr-xr-x 4 buck buck 4096 Apr 13 2010 .gconf/
drwxr-xr-x 2 buck buck 4096 Sep 26 18:40 .gconfd/
drwxr-xr-x 4 buck buck 4096 Mar 15 2009 .gegl-0.0/
drwxr-xr-x 22 buck buck 4096 Jan 30 2009 .gimp-2.4/
drwxr-xr-x 22 buck buck 4096 Aug 21 19:42 .gimp-2.6/
drwxr-xr-x 2 buck buck 4096 Oct 10 2008 .gkrellm2/
drwxr-xr-x 3 buck buck 4096 Sep 11 18:35 .gnome2/
drwxr-xr-x 2 buck buck 4096 Oct 10 2008 .gnome2_private/
drwxr-xr-x 4 buck buck 4096 Oct 17 2008 .gnucash/
drwxr-xr-x 3 buck buck 4096 Sep 28 18:07 .gnupg/
drwxr-xr-x 2 buck buck 4096 Apr 16 2009 .gphoto/
drwxr-xr-x 5 buck buck 4096 Apr 16 2009 .gqview/
drwxr-xr-x 9 buck buck 4096 Jul 27 2009 .gramps/
drwxr-xr-x 2 buck buck 4096 Feb 9 2010 .grsync/
drwxr-xr-x 2 buck buck 4096 Feb 25 2009 .gstreamer-0.10/
-rw-r--r-- 1 buck buck 0 Feb 10 2010 .gtk-bookmarks
-rw-r--r-- 1 buck buck 181 Mar 15 2010 .gtk-custom-papers
-rw-r--r-- 1 buck buck 11251 Jun 6 2009 .gtkrc-2.0
-rw-r--r-- 1 buck buck 2002090 Dec 23 2009 Gun_Facts
-rw-r--r-- 1 buck buck 0 Sep 26 21:10 .ICEauthority
-rw-r--r-- 1 buck buck 21733 Dec 16 2010 index.html
-rw-r--r-- 1 buck buck 21724 Dec 16 2010 index.html.1
-rw-r--r-- 1 buck buck 23721 Jan 5 2011 index.html.2
-rw-r--r-- 1 buck buck 5197 Jun 23 2010 indiv_complete.odt
-rw-r--r-- 1 buck buck 534 Jan 5 2011 inet.log
-rw-r--r-- 1 buck buck 122674 Dec 6 2008 james_and_molly.jpg
drwxr-xr-x 4 buck buck 4096 Nov 18 2009 .java/
drwxr-xr-x 7 buck buck 4096 Feb 24 2009 .kde/
drwxr-xr-x 5 buck buck 4096 Sep 26 22:11 .kde4/
-rw-r--r-- 1 buck buck 140 Oct 15 2008 .kderc
-rw-r--r-- 1 buck buck 16281 Jun 24 2009 Letter_to_IRS.odt
drwxr-xr-x 3 buck buck 4096 Sep 26 22:11 .local/
-rw-r--r-- 1 buck buck 255 Jul 23 2011 .lpoptions
drwxr-xr-x 5 buck buck 4096 Sep 21 20:37 .luckyBackup/
drwxr-xr-x 3 buck buck 4096 Oct 10 2008 .macromedia/
-rw-r--r-- 1 buck buck 14784 Sep 20 2011 MBF Leasing #1.odt
-rw-r--r-- 1 buck buck 14905 Sep 20 2011 MBF Leasing #2.odt
-rw-r--r-- 1 buck buck 14328 Sep 20 2011 MBF Leasing #3.odt
-rw-r--r-- 1 buck buck 14171 Sep 20 2011 MBF Leasing #4.odt
-rw-r--r-- 1 buck buck 30961 Dec 22 2008 McLaurin_Genealogy.backup.gramps
-rw-r--r-- 1 buck buck 30831 Nov 8 2008 McLaurin_Genealogy.backup.gramps.old
-rw-r--r-- 1 buck buck 1671168 Jan 23 2009 McLaurin_Genealogy.grdb
drwxr-xr-x 3 buck buck 4096 Oct 10 2008 .mcop/
-rw-r--r-- 1 buck buck 31 Sep 26 09:25 .mcoprc
-rw-r--r-- 1 buck buck 0 Oct 10 2008 .mdk-menu-migrated
drwxr-xr-x 3 buck buck 4096 May 5 2009 Miscellaneous/
drwxr-xr-x 2 buck buck 4096 Jan 19 2010 Movies/
drwxr-xr-x 4 buck buck 4096 Feb 24 2009 .mozilla/
drwxr-xr-x 2 buck buck 4096 Oct 11 2008 .mplayer/
drwxr-xr-x 2 buck buck 4096 Jan 19 2010 Music/
-rw-r--r-- 1 buck buck 16 Oct 10 2008 .net_applet
-rwxr-xr-x 1 buck buck 18 Oct 10 2008 .net_monitorrc*
-rw-r--r-- 1 buck buck 21315 Jun 23 2010 number_of_ancestors_report.pdf
drwxr-xr-x 3 buck buck 4096 Feb 24 2009 .ooo-2.0/
drwxr-xr-x 3 buck buck 4096 Sep 26 18:18 .ooo3/
-rw-r--r-- 1 buck buck 973 Aug 24 21:24 pclinuxos-kde-2012.08
-rw-r--r-- 1 buck buck 60 Sep 1 11:58 pclinuxos-kde-2012.08.md5sum
drwxr-xr-x 18 buck buck 4096 Jan 19 2010 Pictures/
-rw-r--r-- 1 buck buck 21678 Feb 13 2009 Political Letter.odt
-rw-r--r-- 1 buck buck 12630 Nov 18 2008 PrisonerPacket.odt
-rw-r--r-- 1 buck buck 52608 Mar 20 2009 Prophecy-9_11.odt
-rw-r--r-- 1 buck buck 1083378 May 5 2009 .ps
drwxr-xr-x 2 buck buck 4096 Jun 15 2010 .pulse/
-rw-r--r-- 1 buck buck 256 Nov 27 2009 .pulse-cookie
drwxr-xr-x 2 buck buck 4096 Sep 26 09:25 .qt/
-rw-r--r-- 1 buck buck 87525 Sep 24 21:45 .recently-used
-rw-r--r-- 1 buck buck 1432 Aug 21 19:42 .recently-used.xbel
drwxr-xr-x 5 buck buck 4096 Jan 12 2010 .sane/
-rw-r--r-- 1 buck buck 13416 Mar 10 2010 Schedule.odt
drwxr-xr-x 3 buck buck 4096 Feb 21 2010 .Skype/
-rw-r--r-- 1 buck buck 24589 Feb 7 2009 sovereign states.odt
drwxr-xr-x 2 buck buck 4096 Apr 16 2009 .spumux/
-rw-r--r-- 1 buck buck 19662 Oct 10 2008 SynapticUpgrade.odt
drwxr-xr-x 4 buck buck 4096 Oct 11 2008 .thumbnails/
drwxr-xr-x 3 buck buck 4096 Oct 18 2008 .thunderbird/
lrwxrwxrwx 1 buck buck 4 Oct 10 2008 tmp -> /tmp/
-rw-r--r-- 1 buck buck 2775 Oct 17 2008 translog.20081017145956.log
-rw-r--r-- 1 buck buck 54484 Oct 17 2008 translog.20081017151712.log
drwxr-xr-x 2 buck buck 4096 Oct 11 2008 .tvtime/
drwxr-xr-x 3 buck buck 4096 Aug 7 18:59 .update-notifier/
drwxr-xr-x 5 buck buck 4096 Jun 23 2010 .update-notifier-launcher/
-rw-r--r-- 1 buck buck 4314 Sep 10 23:00 .viminfo
drwxr-xr-x 3 buck buck 4096 Jun 26 16:03 .wine/
-rw-r--r-- 1 buck buck 98 Sep 26 21:10 .Xauthority
-rw-r--r-- 1 buck buck 66 Sep 29 18:51 .xauthWYs8bR
-rw-r--r-- 1 buck buck 1897 Jul 6 2011 .xbindkeysrc
drwxr-xr-x 2 buck buck 4096 Sep 26 18:09 .xine/
drwxr-xr-x 4 buck buck 4096 Oct 10 2008 .xmms/
-rw-r--r-- 1 buck buck 9549 Aug 20 12:40 .xscreensaver
-rw-r--r-- 1 buck buck 274095 Sep 26 21:10 .xsession-errors
[buck@localhost root]$
[buck@localhost root]$ df -a
Filesystem Size Used Avail Use% Mounted on
/dev/sdb1 7.7G 4.7G 2.7G 65% /
none 0 0 0 - /proc
none 0 0 0 - /dev/pts
/dev/sdb6 282G 4.6G 278G 2% /home
none 0 0 0 - /proc/sys/fs/binfmt_misc
gvfs-fuse-daemon 0.0K 0.0K 0.0K - /root/.gvfs
[buck@localhost root]$