I picked up a Gyration 2.4 Ghz wireless set for the same duty, supposed to be 30' range. Don't have that much clear space in the place, so it's been untested. Works from one side of the room to the other, though, and around the corner. Circus City has been carrying them,
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, the "Go" package. Mouse works either optically on a surface(pants) or with a solid-state gyroscope in mid-air, really neat. I ordered a spare mouse battery and a hard keyboard cover from Gyration, very fast delivery, so the stuff has support. The wireless support is particularly good, you can have multiple meese/keyboards either on the same PC or on different PCs and they don't interfere with each other. Pushbutton linkup. Have one on the laptop and one on the desktop, no problems in the same room. Nice compact keyboard, perfect for living room use. Tested them on 98SE, W2K and XP, all work.
Stan
I've had a Gyration for 3 years and, when using it inside a 38' RV, found that I could type a lot farther away from the screen than I could read what I'd typed.
The keyboard DOES eat "AAA" batteries, though...