Bose just launched a computer-based speaker system that plugs into the back of your PC and streams music wirelessly to a single SoundLink speaker. As a fan of their SoundDock I’d say it’s pretty cool but $549 for this thing is a bit much in anyone’s book. The SoundLink simply shows up as a USB speaker and you route all the audio through it to the remote part. The device includes a rechargeable battery so you can carry it out to the back porch for a barbecue or to the basement to tend to your