I just saw this one will be released on Q4 2008 in US.
Bought the Jap version.
I already own the gba one which was for me one the best gba games.
The DS one is just crazy, damn difficult and so funny!
I think that people look first to graphics here.
I say, it's one of the very few games made both for hardcore and casual gamers.
50 levels, I'm at 16th and I'm lovin' it.
If you own a DS, don't forget this and even if you don't like it, friends or faily will..