The gang at TechGage have posted a 22-way CPU cooler roundup. They pit each against a decently hot chip, too, the QX6850, so you know that whichever they designate as "the best" has certainly been through its paces.

"What better way is there to find out which CPU coolers excel than to throw them at our ultra-hot Intel QX6850? We took 22 different models and did just that. Some surprised us, some didn't. What we were left with were five different models that deserved our Editor's Choice award."