Microsoft say Q1 2010, I think August/September this year.
Torrent, but ONLY if you do have a legal key.
I've said its stable and good but i've never ever ever said its much better than OS X, i've never even hinted its in any way better than OS X. Its better than all other versions of Windows, but it still doesn't even remotely compare to OS X Leopard.
Windows XP is way too insecure for me, too easy to compromise, too slow, and not compatible with lots of new software such as Visual Studio 2008,and it doesn't have very good backwards compatibility either, for example it cant run C&C 95 very well, whereas Windows 7 does. I dont like having an anti-virus either because their mainly pointless so Windows 7 takes care of that side of things for me.
Windows 7 is the first Windows to be backwards drive compatible, i can actually get my PC PCI internal wireless card to get to work with Windows XP drivers, so Windows 7 can use Windows Vista and Windows XP drivers which means its really easy to install all your old hardware.
Windows 7 will install fine using Bootcamp and the starndard Bootcamp Windows drivers, on any intel Mac, as many people have already said on this forum. Your right Vista driver support did suck, but this has been addressed in Windows 7.