Newegg offers the Cooler Master Seidon 120-volt CPU Liquid Cooling System
, model no. RL-S12V-24PK-R1, for $49.99. This $15 mail-in rebate
drops it to $34.99
charges the same after rebate.) With free shipping
, that's the lowest total price we could find by $15, although we saw it for $5 less in March. It features blue LED indicator lights, 120mm aluminum radiator, and a 120mm PWM fan with variable speeds. Deal expires September 2.