My computer is about 3 years old, It idles around 48, and can get up to 60 degrees in temp when playing games, I generally leave the case off to help with airflow. How do you know what heatsink/fan to get? I have an intel 865gbf Motherboard. The fan/heatsink I have is the one that came with the CPU. It's an Intel P4. I tried google but don't understand the differences between the different types of heatsinks. What make on better then the other, and are there motherboard specific or does one size fit all? Edit: Oops I just noticed there is a cooling forum. Can someone please move the thread or should I repost there?