With the introduction of Netflix on so many devices, it's now up to everyone to battle it out for supremacy in user interfaces. We were actually duly impressed with the implementation on Nintendo's Wii, and it seems that the pressure has convinced Roku to retool their own UI. A new teaser has been released today by the company showing off the new Netflix Channel, and while the overall look and feel is certainly slick, it's a few key additions that have us most excited. According to the company, the update will allow users to s