I'm a n00b to XS ([H] devotee), but here's my mostly current rig:
http://farm3.static.flickr.com/2279/...c60a4e7a19.jpg
CoolerMaster RC-690, with gear from .sig and 13 fans.
http://farm3.static.flickr.com/2301/...3ba7ca72e3.jpg
The S1 is on an X1950GT, which went to my mom's computer when I picked up an HD3850-512MB.
http://farm3.static.flickr.com/2155/...88c8808de2.jpg
2x CM CoolDrive6 (which is why the wiring sucks - too many cables), next to older SOHO case - more room, but 80mm fans only.
http://farm3.static.flickr.com/2362/...18804d6d43.jpg
Hanging out with it's brethen (SOHO went to my mother, InWin went to brother-in-law, S3 waiting for next build ;) - laptop & HTPC not pictured).
-bZj