Newegg offers the Zalman Optima 120mm Fluid Shield Bearing Shark's Fin Blade CPU Cooler, model no. CNPS10X, for $29.99. This $15 mail-in rebate cuts it to $14.99. With free shipping, that's the lowest total price we could find by $15. It features four heatpipes, fan fixing clips, and thermal grease. Rebate expires May 26.