It's no secret that Samsung's been teasing a major interest in premium audio since CES, blending digitally powered speakers with vacuum tube pre-amplifiers. We didn't get a chance to check the systems out in Vegas, but today the company's spilling the details regarding US pricing on a trio of systems, all of which will be available in the Spring. The star of the show is the $800 DA-870 Audio Dock, featuring the rear-mounted dual dock for Galaxy (charging only) and iOS devices we first
