Barnes & Noble is seriously beefing up its Nook ecosystem by striking deals with studios and other providers to bring a ton of new video content to its HD and HD+ tablets. Debuting alongside the slates, expected to start shipping in the US this week, thousands of SD and HD movies and TV shows from the likes of NBCUniversal, 20th Century Fox and others will be available for your consumption. Brits will get the same opportunity a little later, coinciding with the