Logitech G500 is pretty good, I have one of those and it works nicely.
Razer makes some good mice like the DeathAdder
AND if you are left handed there is also a left handed version of the Razer DeathAdder
Ergonomic: Microsoft Natural Keyboard Elite $27.99
There are fancy new ones with all kinds of extra buttons, but people i know that use the original, swear by it that it's good for them.
And supposedly prevent carpal tunnel syndrome on their wrists
LITE-ON SK-9020 or something similar. The feel is closer to that of tha laptop and I personally like that feel so i have one like that on my work computer.
Then there is n+1 different vendors for regular keyboards. Keytronic is a solid brand if you are looking for just a regular keyboard.
Logitech G110 on the cheaper end. ~$60
Logitech obviously makes other keyboards as well, up to as fancy as solar powered wireless.
Got one of those too, but haven't set it up yet so can't tell if it's any good yet or not