I searched and searched and searched...I hope I didn't miss one of these already. Anyway, this is probably the only game I'll pre-order this year, so I'm rather excited. I got all 242 stars multiple times on the original, I'm somewhat ashamed to say. Here's hoping that this one has even more replayability, and that Miyamoto wasn't joking about a heightened difficulty.
North America — May 23
Japan — May 27
Australia — June 10
EU — June 11
- It is supposed to include the same guide system as was in NSMB Wii, although with a somewhat altered implementation.
- It will focus less on plot, making gameplay even more central.
- It appears that they're going old-school and ditching the Hub World.
Evidence so far is that the music will unfortunately be all-Midi, It will be fully orchestrated like the first game! Huzzah! (Thanks to hbi2k).
The E3 debut trailer from '09 is here.
The Nintendo Media Summit trailer from Feb. of this year is here.
And here's the "New Features" trailer from March 31st.
Nintendo's official site
Here is a link to the Youtube page containing all 9 "transmissions" that Nintendo is running as trailers up to launch. Some good stuff in there, about 15 minutes total so far and sure to grow.