I installed Feisty, and had a battle getting wireless up with ndiswrapper but finally got it going. Had full support for compiz, flashy 3d stuff, yada yada. Upgraded to Gutsy and broke a lot of stuff.
Hardware: HP dv6000 cto- athlon3500+, Broadcom 4311 wireless, 1280x800 screen, nVidia Go 7400 graphics
Graphics: I have good resolution without nVidia restricted driver but if I try to enable the driver I can get only 800x600. NO ACCELERATION.
Wireless: Funny story. I let Gutsy upgrade my firmware and now instead of a Broadcom wireless adapter I have a Dell adapter. Nothing else- including Feisty- will support it now., so I'm tied to Gutsy.
Kernel: I cannot boot on default kernel. If I try, I get a black screen- no splash, no messages. I've tried all the boot parameters and gotten nowhere. However, the fall-back kernel 2.6.20-16-generic works fine aside from above issues. Crazy.