PowerTouch sounds interesting!
I'm reminded me of a simpler game from the leapfrog brand, it's just a plastic 10x13 or so green game with buttons that are all letters. you can set it on music so that each letter pressed gives a short song response, about 7 seconds.
As the child gets older other options like letter id, letter sounds, simple spelling are just another setting on the toy. I would recommend the music for now...but who knows?
It's called 'Leap's Phonics Pond' from leap frog. They have other cool gadgets that are typically for the 3+ crowd but you might find other simple to use ones which could help keep your baby stimulated. Ebay might be the first stop for that one.
