That cheaper, purpler, Roku LT we spied passing through the FCC and beta testing is official, and will hit retail shelves for just $50 next month. It's only $10 less than the also-720p-limited Roku 2 HD, but that model isn't sold everywhere and if you're just snagging a box to watch some Netflix you probably won't notice the missing Bluetooth and SD card reader. No matter which model is selected, starting next month viewers will be able to watch HBO Go stream