Have you ever got bored watching the progress bar while you copy files from location to location? Than you should download THIS. This is a program developed by Ben Stone, which turns the progress bar into the nyan cat, just like this picture:
This program was developed for Windows 7, so it probably won't work on Windows XP. I'm sure some of you will upgrade to Win7 just for this, and just copy files into random places on your computer just so you enjoy this fine piece of art!