Three Hundred Gamer Case MA770-UD3 Phenom II X2 550 2x DDR2 2GB 800Mhz Retail Caviar Blue 500GB SATA SH-S223B/BEBE (Bulk) Intern HD5850 1GB Power Supply 650W TX I bough the parts separate, and bough windows 7 64bit. My windows 7 experience index is at 5.9, where the harddriver is the drawback...