Limbo was a bit disappointing for me. I had recently come off playing Braid, so I think that contributed to me feeling the puzzles in Limbo were maybe a tad basic or forgettable. What stuck with me was the atmosphere, which was masterful.
I hear this game is a little less of a straightforward puzzle game and more of an 'experience' with light puzzle elements, so I'm still quite excited about this. Plus the art direction and graphics are truly jaw dropping.