We've been to concerts where the lead guitar player seemed more concerned about tripping over the wire running to his amp than actually putting on a good show, and that's not cool. Line 6, creator of a series of cool music gadgets in the past, is back to sever that tether without trampling your tune, man. It promises great sound over 100-feet, even able to replicate the frequency loss from different lengths of cable, and pledges to be "the most dependable wireless unit you've ever experienced." It uses the 2.4GHz band (so hopefully nobody's running a boosted 802.11b router nearby) and costs $420 -- a bargain in this line of work. Don't believe us? Trust Steve Ste