I too bought it because of the 8 player download ability. Now if I can only find others with a DS
Its fun, but it seems I will beat it with 2 hours of game play, we'll see.
FYI, this is NOT a N64 port. This is more like an old school bomerman game. I was kinda hoping for a port though

If you have friends with a DS then bite the bullet and pay $30, you'll be the only one that has to. Its a real blast (pun intended, sorry). Just don't expect a long hard singleplayer game.