I bought a cable sleeving kit from ebay the other day and it arrived today. Basically what it is is a ultra violet reactive sleeve which you slot in cables inside your computer to organise them.
It means that the molex connectors on the end of all of the wires from the PSU have to come off though...
I think if I can find my digital camera I will take a picture of my PC before and then after them.. just to show you the difference.
Any of you using these?