Re: Microsoft is offering Windows 7 at half off...but??
All Win7 upgrade have 32 and 64bit edition on disc. You can install Win XP quickly on your machine and then do "clean" install with Win 7. It may take you more time but worths the price.
17-inch MacBook Pro: Unibody | Intel Core 2 T9800 @ 2.93GHz | Nvidia 9400M GT / 9600M GT 512MB GDDR3 | 320GB 7200RPM SATA | 4GB DDR3 PC1066 | Mac OS X v10.6 Snow Leopard | Windows 7 Professional x64
Desktop: Intel Core 2 Quad Q6600 @ 3.6GHz | ASUS P5K Deluxe/WiFi-AP | 4GB G.Skill F2-6400PHU1 @ 800MHz 4-4-3-5 | EVGA GeForce 8800 GTX 768MB | Western Digital Raptor X 150GB | Samsung 32" HDTV | Windows 7 Professional x64
Note: English is my second language so please bear with my grammar!