The way its going just now, the servers are straining already lol, and that's without any download links/keys available yet.
If someone managed to get hold of a key?
It usually succeeds on 3 to 4 pc's...
The windows development team blog server is fried
Windows teamblog on 7
It seems all of Microsoft is going D O W N! the official MS page for 7 seems to take eternity to load too