Well, not sure what your budget is but here you go:
CPU Block: Swiftech Apogee - $40
Radiator: Swiftech MCR220 - $39
Fans: 120mm Yate Loon D12SL-12 (2x) - $3.50 ea., $7.00 total
Pump: Swiftech MCP655 (aka Laing D5) - $70
Tubing: 15ft of MasterKleer 7/16" ID McMaster.com part #5233K44 (fits on 1/2" barbs) - $0.38/ft., $5.70 total
Other: 1/2" T-line fitting ($0.99), Delrin fillport ($12), metal hose clamps (McMaster #5388K16, $4.37 for a box of 10--should be enough).
Total: $180 + S/H
You can get everything from jab-tech.com except for the tubing/clamps are from mcmaster.com.
You could just throw water on your video card right away with the Swiftech MCW60 ($40, or $56 w/ OCZ ram heatsinks).