Antec Kuhler (620) owner signing in 
Standard fan as PUSH, and stock Lian-Li 120mm fan as PULL behind radiator.
Seems to hold my 920 @ 4.1GHz around 30ºc-35ºc idle (depending on ambient), and loads at just under 70ºc with Prime95.

Standard fan as PUSH, and stock Lian-Li 120mm fan as PULL behind radiator.
Seems to hold my 920 @ 4.1GHz around 30ºc-35ºc idle (depending on ambient), and loads at just under 70ºc with Prime95.