I have one. His name is Doug Llewellyn. He rocks out. You probably have all the equipment you need for one-- a tank, some rocks, some water, maybe a couple of little plant things, you're all good. He eats like, every three days, so the ADD vs. Daily Responsibility dilemma is no more. He swims around and does weird gymnastics. You can take them out of the water and let them crawl on you although not for very long because who wants a newt crawling on them for a long time.
I've gotten abnormally attached to Doug Llewellyn though, I think. Every day I go to the tank and yell into it "Doug Llewellyn, are you dead?" then he looks at me and I know all is well.