The problem with a wired mouse is the wire! It gets snagged and tangled up in feet. And it can pull back on the mouse, moving your cursor.
I use on my main machine, Link Removed due to 404 Error. I don't know who makes the mice and keyboards for Microsoft but they are excellent. I particularly like the mouse because while right handed, I use my mouse with my left hand. 99% of contoured mice are made for the right hand and I don't like the feel of them in my left. And left-handed mice tend to be too expensive for me to justify the money - not when a non-contoured feels "natural" to me.
That said, I always keep a wired mouse and keyboard handy - for troubleshooting purposes.
On my notebook, I use the Link Removed. I...