I like Apple Mighty Mouse but I had a couple of them go bad at work, but these were 2008 models, and while we did replace them, for home I stick to Logitech mice like the Logitech MX518 which it's oodles of extra buttons, extra wheel control (move it side to side) etc. Great for photoshop macros and playing games. I'm sure there a newer models now, but the mX 518 is still available for much cheaper than I paid initially (around $39 now).
As far as keyboards, I've been really happy with the latest model of the Apple keyboard, both wireless and wired versions. I really like the feel of these new Apple keyboards. I bought a wired version first for my hackintosh though as I did not have bluetooth on my hackintosh (the wireless is for my Mac Book Pro and my iPad 3G whenever it ships).