Is your harddisk working overtime and you have no idea why!? We all know the sittuation, especially Windows Vista 
and Windows 7 seem to spend a lot of time working on your harddisks without no apparent reason, and it is very hard determining what process it is that is actually causing all the disk/processor activity. Well one way of debugging this is to download procexp.exe from http://live.sysinternals.com, another approach is to try a utility I just got hold of that offers an easier overview “What is my computer doing” http://www.itsth.com/en/produkte/Whats-my-computer-doing.php
Download it here;
http://www.itsth.com/download/getfile.php?file=WhatsMyComputerDoing_E.exe