Game: Mario & Luigi: Partners in Time (DS)

Although I've only played 45 minutes or so of this, I seem to be enjoying it a lot. It's basically another Mario RPG (the other I've played is of the Paper type), with you controlling the mustached plumber, solving puzzles (both action and mental), and enjoying the immensely accessible combat system.

The extra screen of the DS is put to good use, with the top screen usually reserved for mapping duty. I've not used the touch screen yet, but I'd be surprised if that didn't play a part at some point. Of course the best bit is being able to play it anywhere; hopefully it's for that reason I'll get to play it with more involvement than Paper Mario. Can't wait!