US prices are:
version: full / upgrade
Vista Ultimate 349 /199
Vista Business 269 /179
Vista Home Premium 239 /139
Vista Home Basic 199 /99
It was leaked by an Canadian Microsoft employee.
Source:
http://tweakers.net/nieuws/44166/?highlight=vista
(source is in dutch)
for Canadian prices:
Source:
http://blogs.zdnet.com/Bott/?p=124
O and you can always check amazon I think they are still on there too:
Link:
www.amazon.com 
Prices on Amazon are higher than posted here.
Don't know why, but perhaps tax or something? Anyway doesnt matter that much, just check the sources and figure out yourself which source is right and why.
