Hello everybody, I want to buy a nice heat sink for my Athlon 64 X2. But I would like to know which of these two you guys recommend? And also would both of these FIT in my Antec 900 case? ------------------------------------------- Zalman CNPS9700: 1250-2800 RPM 19.5-35 dBA Copper 110mm -------------------------------------------- Thermaltake CLP0579 contac 30 800 - 2,000 RPM 15 - 33.2 dBA Alumium Fins & Aluminum Extrusion Cover 120mm Thanks a lot in advance!