Go ebay look for the keyboard. One of the best classic keyboard was the ibm model m.

But nowadays I'm pretty contented with simple blue switch mechanical keyboards. tenkeyless ones free up more space for my mouse. Some of my favs include the CM Storm (Coolermaster), Gigabyte mechanical keyboard, and heck, even the Armageddon ones aren't that bad (although a little light feeling), but they're cheap as heck.