Sony is showing off a new iPhone and iPod dock here at CES that's turning quite a few heads. The RDH-GTK33iP is a 420-watt boombox with a heavy-duty design that is more reminiscent of a stage monitor than a traditional dock — and it also puts on a light show to accompany your favorite tunes. You plug in your iPhone or iPod via the included 30-pin dock connector, or hook up a memory stick or other source via the USB port, and the dock's twin speaker lights pulse through a variety of colors in rhythm with the song being played. We tried it out with a track from Depeche Mode's Violator, and sure enough, it performed as promised — and delivered a nicely detailed sound as well. No official specs were given, but to our eyes the dock packs a pair of tweeters, six-inch woofers, and a ported design that should flatten the overall frequency response. Sony hasn't made any announcements on pricing or availability just yet, but we expect the new dock to be released sometime this year.