Can an OEM version of Vista Premium be upgraded to a retail upgrade version of Windows 7 Premium?
Or
Can I fresh install from a retail upgrade Windows 7 Premium disc and when asked, enter the Oem Vista Premium product key?
7MC x64 Ultimate: Gigabyte GA-EP45-ED3P Mobo, Intel 3.0 Ghz Core 2 Duo Wolfdale, 4 GB, 160 GB, 500 GB, 1 TB, HDHR, EVGA 8600 GTS
Extenders: Xbox 360 Wired - Sony KDF-42WE655 HDTV; DMA-2100 Wired - Sony KDL-46W3000, Yamaha HTR-5730
Zunes: Zune 80 GB, ZuneHD 32