DH4 should have 2 heater cores, 2 156w pelts and power supply, 3 EHEIM 1048 pumps, 1 4x4 rad (for chipset and video) all DD blocks, tyan dual socket A mobo, 2 golden sockets (for overclocking) and a big ass case. thats what i would do. Sounds very costly but VERY cool if you got the funding
