Newegg offers the Cooler Master Seidon 120V CPU Liquid Cooling System, model no. RL-S12V-24PK-R1, for $49.99. This $20 mail-in rebate drops it to $29.99. With free shipping, that's tied with our mention from three weeks ago and the lowest total price we could find by $20. It features blue LED indicator lights, 120mm aluminum radiator, and a 120mm PWM fan with variable speeds. Deal expires March 5.