Europeans have been getting a fair bit of Nintendo platform based games early, most recently with Pikmin 3 and Mario & Luigi: Dream Team. There's at least one more early bird launch as well, as Wonderful 101 is launching on August 23rd for all you EU peeps.
I had a chance to play the demo last week, and I found it to be a bit simplistic. I didn't have much trouble getting Pure Platinum medals, and strategically, I didn't find it all that deep, despite the fact that it was still fun. All of that could change with the full release of course (and with higher difficulties), and based on this trailer, it looks like the game really ramps up after the first set of levels.