This post is from one of several previous incarnations of this site and probably doesn’t quite fit the current format. In a former life this was a group blog and a tumblelog before it became a static jekyll site. If anything looks broken or is worded oddly that could be why. Pardon the dust.
PC heads among you may be interested in this bit of software from TGT Soft. StyleBuilder XP allows you to customize and modify XP’s internal styles to your own likeing. Screenshots can be viewed here.. Still isn’t Aqua though. For a more thorough re-styleing of XP have a look at Ernie XQ.