http://80211n.wifinetnews.com/ That's what I've been following of late, and it suggests that most "draft n" implementations should be upgradeable by firmware to the final standard.
No real clue to be honest, I just put the ultimate on for the geek chicness of it and because that's the copy I had laying around.Digital---what's the main diff between vista premium & ultimate?
Mostly the business-y stuff in Vista Business gets added, and a drive encryption thingy that most people can't actually use just yet because it requires a "TPM" (whatever the heck that is, not really sure. . .mobo/bios support of some sort?)