One Laptop Per Child still hasn't revealed any pricing details about that US-bound XO Tablet, but today the company's announcing some of the retail shelves we can expect its new child-friendly device to hit. For starters, the XO Tablet will be available at 'select' Walmart brick-and-mortar stores and website in the US this year, however OLPC wasn't quite clear about when exactly that's going to be -- we tried asking the company ourselves, but we were told no information could be give
