If you're going top of the line, I'd get this case:
COOLER MASTER Stacker RC-832-KKN1-GP Black Aluminum ATX Full Tower Computer Case - Retail
http://www.newegg.com/Product/Produc...82E16811119121
I'd get faster HD's:
Western Digital Raptor X WD1500AHFD 150GB 10,000 RPM Serial ATA150 Hard Drive - OEM
http://www.newegg.com/Product/Produc...82E16822136011
Get a nice power supply:
Thermaltake W0106RU Complies with ATX 12V 2.2 & EPS 12V version 700W Power Supply 100
http://www.newegg.com/Product/Produc...82E16817153039