I keep presenting all over the US and every time I do I bring up this offer. No one has heard of it and it is a GREAT LIMITED TIME OFFER
www.windowsvista.com/familyoffer for the details.
Basically buy a Vista Ultimate (retail, not on a new machine, either upgrade $239 or full $399) and then you can purchase (on line) Home Premium for $49.99 online for up to 2 machines in the same house. I think it runs out in JUNE, sorry only US.
Go get the details now!