Sony has just made available its Rolly portable audio player in the US, slapping a price tag of $400 on it in the process. This definitely puts it away from the impulse purchase category, but I think it will catch on pretty much considering how this is a novelty gadget. I mean, your iPod or Zune certainly won't be able to groove according to the tune it is currently playing, right? The Rolly is able to do this, featuring specially programmed choreographed moves that will definitely spruce up any party or group meet-up.

Full story: ubergizmo.com