ok..so I was getting mad the my p4. the noise was unbearable. I had the case fan and a stock heatsink fan. I thought if I bought a new case fan, the noise would get lower. the thing was, it wasn't the case fans (they were very quiet), it was the heatsink fan. I also needed to lower the heat. I idle around 45C and up to 65C under load. and while gaming, it gets up to 67-70C. havent tested it beyond that. so I have two case fans that blow air out and the heatsink fan. I want to replace this heatsink fan. but I don't know which one to get. I have a pentium 4 530j. I think I need a 90mm fan...but I don't remember. I need some help on getting a cheap one (25 or less) that is quiet. or if anyone has any advice on what I need to look for (since I don't know what type of fan I need).