Well, with what I've been able to come up with so far...
Graphics: (2x) SAPPHIRE 100259-1GL Radeon HD 4870 1GB 256-bit GDDR5 PCI Express 2.0 x16
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102801
CPU: Intel Core i7 920 Nehalem 2.66GHz LGA 1366 130W Quad-Core Processor Model BX80601920 - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115202
PSU: CORSAIR CMPSU-750TX 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power Supply - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006
Mobo: ASUS P6T WS PRO LGA 1366 Intel X58 ATX Intel Motherboard - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131357
Monitor: Acer X223Wbd Black 22" 5ms Widescreen LCD Monitor - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16824009145
RAM: G.SKILL 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Triple Channel Kit Desktop Memory Model F3-12800CL9T-6GBNQ - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231225
OS: Microsoft Windows Vista Home Premium SP1 64-bit for System Builders - OEM
http://www.newegg.com/Product/Product.aspx?Item=N82E16832116488
Optical Drive: SAMSUNG 22X DVD±R DVD Burner with LightScribe Black SATA Model SH-S223Q - OEM
http://www.newegg.com/Product/Product.aspx?Item=N82E16827151173
I'm not sure what kind of case would be best; I don't care what it looks like as long as it functions, so cheaper is probably better as this is roughly $1400 at the moment. What other pieces would I need besides a case?