this thread got a lot of spam since my last post. the BUSINESS features added to ultimate include data encryption, total OS/HDD backup features... and well not much the useless additions added to it for 'home' users are animated desktops and texas hold em poker. ultimate has nothing for a home user - if you and your 'associates' want those features... buy business or ultimate. i cant help it if you're such a whiner that you want the features of the top model at the price of the lowest, go into a car dealership with that attitude and see what you get. HAL7000... you're just offering irrational things without ANY useful info. you dispute everything i'm saying because its a opinion, yet all you offer is opinion with just as little backing yourself. seriously, and i mean this in a way that wont offend the mods or you: If you SERIOUSLY cannot wrap your mind around 3 kinds of OS for home users (basic, premium, ultimate) and two business editions (business and server)... i'm surprised you figured out how to post here. XP home, pro, and server 2003? dear god theres three already for XP, its not that much different.