I bet he will be involved with charitable organizations, after a very well deserved long vacation of course. All that goodness in his heart and soul needs an outlet, so I think he will be very involved in something that will be for the good of America. So we can still have a dose, maybe not a daily one. How about "A week in the life of Pres. George W Bush, reloaded"?
I was thinking along the same lines about still keeping tabs on our W after he leaves office, once he has some time to refuel and then gets a plan in place and starts diving in to make it happen.