Funny, I use the exact same "cleaning" method.
Except, I usually just keep the blasted thing stowed away in the box in case I decide to sell the machine later.
The Mighty Mouse will remain a crappy mouse to me as long as Apple keeps making them in that glossy white that slips from your hands after hours of use. If that aspect was fixed, it would still only a so-so mouse. I guess I'm a sucker for having two mechanical buttons...