Finally got some stuff done on the 4400. So far I have replaced the dead PRAM battery with a new homemade one, which is now placed in an easy accessible spot. The noisy fan has been replaced with a quiet Noctua, and I have also replaced Apple's useless pressed metal heatsink with a very nice blue Zalman one. And for a bit of fun I decided to put a tiny green chip heatsink on the nearby mosfet:





Large photos available at my Flickr photostream: http://www.flickr.com/photos/wackymacs/