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I'm waiting for Service Pack 1. I would check that every program that you have will run a 64 bit Vista before I'd use the 64 bit version. I hate being on the bleeding edge any longer.
Why did you put this on the dead horse section? No one will see it...I agree with you, it always seems better to wait and let them work out all the bugs before you jump on board. My friend, Mac lover that she is, insists that Vista still won't compare to her MAC...that is the only thing that makes me want to try it sooner...just to have a direct comparison.