my trials of Boot Camp have been vaired to say the least....
if you're looking for OS emulation on a mac please look at
http://www.parallels.com/....
their software supports many OS's that Boot Camp doesn't....
Bomski
(PS - be wary of running Windows Vista Release Candidates on your mac; there have been unconfirmed reports of Vista causing MacBook Pros to significantly overheat to the point of hardware failure)