Someone asked me in email what I thought of the swiftech MCX478v, unfortunately i havent tried it, but I saw this posted over at OVprices.com a day or so ago with a comparision again one of the ever popular Zalman coolers.
"The Swiftech MCX-4000 is an awesome socket 478 heatsink, and has always been one of our favorites around here at the office since I wrote my review in the end of ’02. That’s not to say that the 4000 is completely without flaws. Its mounting system, while very solid, is not exactly an easy task for the novice computer enthusiast. Also, the 4000 was not really designed with 92mm fans in mind, and its mammoth size doesn’t fit in between the rows of caps on some motherboards. The MCX-478V attempts to correct these issues, and improve performance with quiet fans. Today I'm going to put one to the test against the current quiet champion Zalman CNPS7000Cu. "
read here