[CentOS] vim and backup files

>Same versions as me.
>
>Check filesystems for space?  Temp dir?  Maybe try cleaning out your
>.vimrc to see if some cruft in it?  Also check /etc/vimrc for
>changes.. Maybe even re-install or check to see if the packages have
>been corrupted?

All the systems exhibit, space is good etc. Even w/o a vimrc...

Wth is up with the size discrepancy?

# yum reinstall vim-common vim-minimal vim-enhanced
/snip
Resolving Dependencies
--> Running transaction check
---> Package vim-common.x86_64 2:7.0.109-6.el5 set to be updated
---> Package vim-common.x86_64 2:7.0.109-6.el5 set to be erased
---> Package vim-enhanced.x86_64 2:7.0.109-6.el5 set to be updated
---> Package vim-enhanced.x86_64 2:7.0.109-6.el5 set to be erased
---> Package vim-minimal.x86_64 2:7.0.109-6.el5 set to be updated
---> Package vim-minimal.x86_64 2:7.0.109-6.el5 set to be erased
--> Finished Dependency Resolution
Dependencies Resolved
=====================================================================================================================================================================================
 Package                                      Arch                                   Version                                         Repository                                 Size
=====================================================================================================================================================================================
Installing:
 vim-common                                   x86_64                                 2:7.0.109-6.el5                                 base                                      6.4 M
 vim-enhanced                                 x86_64                                 2:7.0.109-6.el5                                 base                                      1.3 M
 vim-minimal                                  x86_64                                 2:7.0.109-6.el5                                 base                                      333 k
Removing:
 vim-common                                   x86_64                                 2:7.0.109-6.el5                                 installed                                  15 M
 vim-enhanced                                 x86_64                                 2:7.0.109-6.el5                                 installed                                 2.7 M
 vim-minimal                                  x86_64                                 2:7.0.109-6.el5                                 installed                                 616 k
Transaction Summary
=====================================================================================================================================================================================
Install      3 Package(s)
Update       0 Package(s)
Remove       3 Package(s)
Total download size: 8.1 M
Is this ok [y/N]: