Another vote for the Vantec. The FOP-38's with the NEW clip work really well for the FC-PGA if you have a stubby common("flat blade") screwdriver to do the pressure work. However, they are made for FC-PGA CPU's. The WBK's are new, I dunno how well they work.
The Vantec FCE-62540D(catchy name) is MADE for Socket A. Its SK7 clip ROCKETH. It's a winner. Delta 38's are loud. I'm keeping the Delta on my Vantec until I get a feel for the temp of my Duron. Temperature monitoring of AMD Socket A CPU's SUCKS. Ditto, ditto. The lack of an internal thermistor is inexcusable. If you want to pay ~$300 for a Morgan/Palomino or WTF they're called, AMD finally got with the internal thermistor plan. About frickin' time.
Until the internal temp reporting is a fact with AMD CPU's, nobody has a clue. The only way to really know your CPU's temp is to drill a precise hole in the HS, insert a National Bureau of Standards certified, freshly calibrated thermistor exactly right, and read it. The assorted thermistors found inside Socket A's are all crap. And they're all different. MSI's are different than Epox's, which are different than Asus's, etc.
Oh, bruddah. Rant over. The Vantec is a winner, for $17, it's a good 'un.
