From THG
"Some of our gamer readers had pointed out that the mouse had a latency time for repositioning when you lift it off the mouse pad and put it back. We hadn't noticed that (mea culpa), since none of our test players is really in the habit of picking up his mouse. But it is a real problem, and if you're among those people who reposition by lifting the mouse clear off the pad, you may be bothered by it. Logitech is aware of the problem and says they're working on a solution."
It doesn't say when it will be fixed just that they are aware and are working on it.
I too am looking for a wireless combo, had a wireless Desktop Elite and it went on the fritz, think of either Microsofts Elite Blue tooth or the Logitech bluetooth. Any one have one or the other?
kd