I'm not a Teflon fangirl but I really suggest getting mouse feet and/or a good mousepad for the mx revolution if you get one. Eventually with enough wear and tear the plastic mouse feet on the mx revolution wear out, and as a result the bottom of the mouse near the feet wear out as well. As in, what used to be a sharp corner of the mouse is now dull and rounded due to overuse. It's easier to replace cheapo teflon feet and pads than it is to do anything else, plus it glides like a charm.That logitech looks quite good. I shall investigate more!
I don't know if it'll bug you, but it bugs me, thankfully Logitech is awesome for warranty replacements - they sent me a replacement G7 once no questions asked, just because the right click button was acting up a little bit (prolly coulda used some cleaning...).