So im looking to get a Diablo 3 capable rig working for my daughter. I have laying around: Q9450/EP45 DS4P cpu +mobo and 4 x 1GB OCZ Reaper ram. The parts im needing are PSU, HDD, GFX, case, and a network card. Her main uses on the PC will be school or research, but i would like the gfx capable enough for BF3 on Med settings for when my friends are over. I would like to keep prices to a minimum if posible, say no more than $100 for anything i need. Any and all suggestions are welcomed.