Over three years after the original Series3 launched, TiVo's back with Series4 -- say hello to the new TiVo Premiere and Premiere XL, which will arrive in early April. The new slimmer hardware is nice, but the big news is the totally revamped HD interface built on Flash -- yes, Flash -- with all kinds of new options for discovering content from recorded, on-air, and internet sources. TiVo's pitching the Premiere line as a single-box solution for getting content on your TV, so although there's long been support for services like Netflix and Amazon Video on Deman
