Newegg offers the Cooler Master Hyper 212 Plus CPU Cooler, model no. RR-B10-212P-G1, for $29.99. This $15 mail-in rebate cuts the price to $14.99. With free shipping, that's tied $5 under our mention from June and the lowest total price we've seen. (It's also a current low by $14.) It fits Intel 1366, 1156, and 775 sockets, plus AMD sockets AM3, AM2+, and AM2. Rebate expires September 30.