I have these up for trade.

360 Elder Scrolls IV Oblivion Game Of The Year Edition, complete in very good shape
DS Phoenix Wright Ace Attorney complete
DS Hotel Dusk: Room 215 complete
DS Namco Museum complete

I'll trade all of them straight across for the 360 DDR Universe bundle.

Also looking for the following:

Xbox Sonic Mega Collection+
Xbox Puyo Pop Fever
DS Wario Ware Touched!
GBA Mario Vs. Donkey Kong (complete)
GC Wario Ware Mega Party Games