Are you running Vista 32or 64
I was running 32 bit during the beta/release candidate days. Now that nothing new and interesting is coming out anymore I've switched back to XP so I can use my GeForce 6600 again. Stupid Vista.
Anyways, Vista 64 is to XP 64 as Vista 32 is to XP 32. I havn't seen many complaints about Max on XP64, so the transition to Vista for those coders will be much the same.