Eh I loved both games. Both have great dungeons, characters and art (to be honest, both use pretty much the same art with different palettes and small changes here and there).
However, I love all the colors in Skyward Sword. TP was a little bit too dark and bloomy for my taste (and going underwater was a painful for my eyes).
SS is just better for my eyes. (Oh and the parts on Lanayru were great and sad at the same time imo. I loved that region of the map).

