I bought a Fatal1ty AA8XE, P4 3.8 Exterem CPU, BFG 6800 Ultra Water cooled (x2)PCIe. 1GB DDR2 stick of RAM (OCZ PC2-4300). XP Pro. My monitor is a 44' zenith LCD HDTV. What kind of Case, PSU, and HD should I use for my set up? Should i go with one or two HDs? Im very new to this and this is my...