Well the MCX-462 was the best earlier on, but i would have to say the slk-900 improves on it.
The differences between the two though are slim.
With such monster sinks you are pushing the limits of what aircooling can achieve.
And often cauz the heatsinks are so good you dont need a eardrum assaulting high speed fan.
Im running a MCX-462 with 3000rpm panaflo 80mm fan with a XP1700+ tbredA @ 1750...
Tizz stable for months on end.
<b>My CPU is so powerful it can think faster than George Bush</b>