Amazon offers the Thermaltake Water 3.0 Performer C Liquid Cooling System 120mm CPU Cooler, model no. CLW0222-B, for $59.65. Clip the 15% off coupon on the product page to drop the price to $50.70. With free shipping, that's the lowest total price we could find by $19. Features include a 120mm aluminum radiator, 1,200 to 2,000 RPM fan speed, and full copper cold plate.

Also available is the Thermaltake Water 3.0 Ultimate Enthusiast Liquid Cooling System 360mm CPU Cooler, model no. CL-W007-PL12BL-A, for $107.72 with free shipping. That's the best deal we could find by $12. It's similar to the cooler above but with a 360mm aluminum radiator and 1,000 to 2,000 RPM fan speed.