My main question is... are the piano and organs in the Nanopiano much better or any better than those on the nanosynth?

I'd give up the multi-timbral feature for much better (fully, punchier) piano and organ sounds (ep's, rhodes, wurlys, b3's).

Thing is I can't find a store that has these units to hear a comparison myself. So I just thought I'd try to run a quick question out here.