I am sorry to be the "bad cop" but I have to state my view on this game...
I grew up, playing, mastering, and loving SMB, SM3, and SMW... I couldn't be happyer buying this New super mario bros, but when I played it, I saw quickly I disliked it. It has little conection to SMB, more to SM3, or better yet a 2d SM64, as you can wall jump. I won't go into detail how I disliked New SMB, but I will say I hope number two AT LEAST brought back some origanal music, not that stupid world song on NSMB, that was so annyoing.
I will say, the best thing that did come out of NSMB is.... THE BLUE SHELL! man, that had to be one of the best mario power ups of all time, a blue shell of raging death!
Reagaurdless of my feelings on number 1, I will give number two a shot before I say anything negitive about it!