G4tv.com's TheFeed has an affinity for ball-based puzzlers. Wait. That sounds horrible. They mean like Marble Madness.
Get your mind out of the gutter.
Check out this game preview for 'Switchball', on XBox Live Arcade this fall or PC right now:
This game looks stunning for a simple puzzler on XBLA. I loved Balance on PC and this looks to be a great follower of that (Thought its a bit rip-offish of Balance I think).