It's better to try it first, yeah..
Well you can always go to a big shop. They usually would let you try it.
It has considerably less 'power' then the ps3, but offers really good gameplay IMO. Also, you'd have to like games like Mario, Zelda, Metroid and SSB if you'd buy any Nintendo product. Cause that's the style most games have (IMO great. But some would (strongly) disagree)