AH runs excellent in Windows2000 (much to my surprise..)
The only problems I encountered was
a) sidewinder control panel not working, had to setup stick directly from AH.
b) Volume control problems, probably something to do with creative drivers (I have Live! too.)
c) Graphics bug when alt-tabbing to desktop and back, requires restart of AH.exe to get rid of..
The probs above are with W2k professional SP1 all latest fixes from m$, 11.01 detonators, dx8.0a, liveware3.0, m$ precision pro..