Halo will not run an my system with a Gigabyte 9800Pro 256 Mb, 2x512Mb PC3200LLPT 2-3-2-6 Ram (Corsair), ASUS p4C800-E, Raptor Harddrive, P4 2.8C @3.5 With 1000 FSB, Soundblaster Audigy II EX Plauium. The reason why i'm listing it here is its a video problem. "Fatal Error with 3D Acceleration" I set everything to Default and the game still will not play