The Nexus Q is really nothing like Apple TV, Roku and Boxee, both in terms of design and functionality. Yes, you can stream music, movies and YouTube from the cloud. But Google's first home entertainment device goes its own way with a stunning orb design and a unique way to for houseguests to add their music to your party mix. However, at $299, the Nexus Q is by far the priciest product in its category. Pretty or not, is the Nexus Q worth three Benjamins?