http://benchmarkreviews.com/index.php?option=com_content&task=view&id=285&Itemid=62
I found a very well thought out and done article on top CPU coolers. I love the way they explain at the end their conclusions and test strategies. This whole site has good articles about benchmarkness or computer overclocking or whatever tickles you in that place.
if the link doesn't work just goto http://benchmarkreviews.com
