CPU Heatsink :~

[Dom]

Noctua makes good heat-sinks, I own one it works fantastic, my AMD 965 at stock clocks never reaches temps above 40 degrees Celsius , albeit Intel chips generally run hotter. This is what I got: http://www.noctua.at/main.php?show=p...s_id=31&lng=en

[Jatta Raso]

THERMALRIGHT ULTRA-120 EXTREME
http://www.thermalright.com/new_a_pa...66rt_revc.html

sometime ago i went searching for a q6600 cooler and narrowed it down to this and a Noctua; i went with the Thermalright (the 775 model), i assure you this is a great choice.

it's probably the king of bang-for-buck in cooling; it's affordable and it's high end air cooler, actually better than most and more expensive ones; it won't get much better, you'd have to go for a monster Noctua, more expensive, and a few degrees cooler.

[swiss]

http://www.frostytech.com/top5heatsinks.cfm

[Fjordmonkey]

I'm using a Noctua NH-C12P on my Phenom X6, and it rarely, if ever, reaches more than around 55c even after extended high-use periods. In my opinion Noctua make some of the best coolers around. Then again, I've been a Noctua Fanboi ever after using their older tower-coolers, and only use their fans in my comps. That being said, they can be a real bitch to clean, since you have to detach the fans before you can get the dust out of the fins.

Before you do go out and dish out on a new CPU-cooler, examine the airflow inside your case, since bad airflow isn't something you can fix with a new CPU-cooler.