Cleaning Your Mice Wheels?

frink_exp asks: "Cleaning mouse balls (and the rollers they contact) has been the source of many a pun and the subject of countless junk e-mail messages. As more optical mice replace their mechanical kin, such hygiene is becoming unnecessary. However, the mouse wheel is nearly as common as the mouse itself and human hands are grubby, sweaty, oily appendages. Invariably, a nice coating of gunk envelops the wheel. Sometimes it's just unsightly, but at it's worst, it'll sap the rubber wheel of all its grip making it difficult to scroll. Cleaning the wheel can be awkward as it tends to spin and unlike mouse balls, it doesn't just pop out (rehashing of the balls joke intended). The best method I've found is scraping sideways, parallel to the wheel's axis of rotation, slowly working my way around the whole wheel. This is tedious and annoying. Is this a common affliction? What is a better, easier way to clean the mouse wheel? Solvents? A wheel brush? Fire?"