The Cooler Master 212 EVO got good reviews IMO, 50 degrees Celsius at full load, 36 degrees above ambient temp, seen here:
http://www.hardwaresecrets.com/article/Zalman-CNPS11X-Performa-CPU-Cooler-Review/1462/6
Plus its less than $40.
Cant beat that. Thanks Vic 40. I think we have a winner!
And...