I have had zero trouble with wireless microsoft mouse/keyboard. So many keys on it you can bind anything to anything, need to use the desk for paper work while listening to music, just move keyboard off to the side. I listen to music as i do stuff and the board comes with media player manipulation keys! I don't know how i got along without it. Kind like the optical mice...tried playing with a ball mouse the other day...MISERABLE.
Ball mouses suck. I just use a wired optical mouse.