What are the best option for keyboards and mice for long hours of typing?

For the keyboard your best bet is to go mechanical. This specifically would be a good choice. I would go for MX Blue Switches but you can search around a bit and find what would work best for you. You can also get a switch tester to try out the different switches and see first hand which one you like best.

As for the mouse, I find it doesn't matter as much. If you really want to get rid of your old one, by all means. There is one important aspect here, though. Get a pad! Really.

I agree with mechanical switches. I've got my eye on this one http://codekeyboards.com/. I really like how they offer backlight keys. I'm use to that feature, and I prefer to work with low, soft lighting, so at this point backlight keyboard are a must. Until I actually do buy it, I did buy Dell keyboard that has mechanical switches on it from a local thrift store for a whopping $3. Keyboard looked like new. I'm using that for the time being.

I have both a C0DE keyboard (here at work) and a Das Keyboard at home. Both are good, solid keyboards. I think I'd pick the C0DE (or any other WASD keyboard) over the Das, though, if I was buying all over again. Smaller form factor and slightly clickier switches (green vs blue) makes it a bit nicer to use.

As for mice, I use an Apple magic trackpad, but suggest using the mouse as little as possible anyway :)

Thanks everyone!

I have looked at the Das and the C0DE keyboard as well. Both seem to be top of the line.

I think the the magic trackpad would be my best bet. I only started using the mouse because I now put my laptop on a stand. I definitely miss the swiping gestures of the track pad and find myself using it often.

Thanks again. It's good to have my suspicions confirmed!