Hm, if NSMBW's "old school in a new suit" is what compelled you to grab the platform, you should check out Punch-Out!!
Beyond that, I recommend you buy a butt-load of Wii points and start downloading great games like Lost Winds 1 and 2, World of Goo, NyxQuest, and MaBoShi's arcade. Not to mention all those great VC games of days gone by.
"The worst part about these reviews is they are [subjective]--and their scores often depend on how drunk you got the media at a Street Fighter event." — Mona Hamilton, Capcom Senior VP of Marketing
*Image indefinitely borrowed from BrainBoxLtd without his consent.