If you're looking for some spare disk space, check out your C:\Program Files\Java folder. Mine was full of various folders like jre1.5.0_7, jre1.5.0_11, etc. I'm not sure how they all got there, but I'm guessing they came from installing several versions of
OpenOffice over the years. Looking at the Add/Remove programs in the Control Panel, I had like 8 versions of the Java Runtime Environment, collectively eating up several hundred megabytes. So I cleared out all but the latest and things are nice and tidy for the moment.