I really liked this mouse when I got it. I liked it so much that I ordered a second one to keep for when the first one wore out. Unfortunately the first one has worn out rather more quickly than I had hoped.
The wheel on the mouse has a rubber tyre like grip and a nice stepped action ... but on mine it seems the 'tyre' bit of the wheel is now sliding over the hub, so the tyre turns but there is no scrolling. This has been getting worse for a while and now I can't scroll at all using the wheel. Most unfortunate for an otherwise brilliant nicely sized, nicely weighted, nicely put together mouse. Darn.