Gnome w/ Compiz fusion running the emerald WM for me
it gets the job done, and is rather pretty to boot.
I got into Gnome when i needed something lighter than KDE 3. it was the only other DE that came on the slackware CD (10.1) so i used it. had a heck of a learning curve to it but now I actually like it better than KDE3.
not that what WM i'm using really matters since 9/10 of the time i'm in a terminal anyway.
Love the looks of kde4 and will try it once it gets more stable and feature full. i may switch back.
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ArchLinux x86_64 - Custom Built Desktop
ArchLinux x86_64 - Compaq CQ50 Laptop
ArchLinux i686 - Acer Aspire One Netbook
ArchLinux i686 - Dell Presario ze2000 (w/ shattered LCD)
PuppyLinux, CloneZilla, PartedMagic, DBAN - rescue thumbdrives
Windows 7 (x86_64 desktop alternate boot)