Cramped cabin (unless you're a midget), lousy visibility, corrosion in the nose wheel bay (rather large problem), hard to start when hot...did I say cramped cabin?!
Having said this, cheap to run but some parts are getting hard to come by.
A typical Piper, so i'm told by the folks who own one.
A 310 (or even a Baron) is more bang for the buck, IMO.