I know it's something you all do on a regular basis of course but I've taken the hassle out of it.
I've been running this little program for some time now and having to defrag in the usual fingers-crossed manner is a thing of the past. It's called Magic Defrag, by Ashampoo, and it runs quietly defragging in the background every time your computer is idle. You can buy it for next to nothing from here:
http://www.ashampoo.com/frontend/produc ... tring=0044