Wow, i'm impressed we have a beta tester amongst us. Granted Ol' Nomad can't tell us much if he's a beta tester, but here's the question i want to know.
Will it require registration like XP home?
I assume most new features are back end code modifacations and easier front ends (idiot proofing if you will) of features such as photo viewing and music playing.
Bill's got a dream for an integrated system that provides all the software you need for any activity and all the money on top of his 90billion. Don't expect him to stop anytime soon.