Tom,

I have never run AC on a MAC and truly don't know a lot about them. My MAC friends swear I would never go back if I tried a MAC. But, have you looked at Boot Camp? Of course, then you couldn't switch back and forth between MAC OS and Windows. This article seemed pretty good. Hope it helps.

http://mailbox.allthingsd.com/20070823/running-windows-vista-on-a-mac/

Bert
Pediatrics
Brewer, Maine