Just an FYI the RETAIL version of Win 7 includes both the 32 and 64 bit versions, this is why it is more expensive.

For you CDN folks, there is a place here in town that has pretty good pricing for PC Parts I have no idea what the shipping costs are like.

M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70