We heard from our friends over at TechCrunch (thanks, John Biggs!) that a company called Zivix has been showing off a cool little MIDI guitar at CES, so here it is! Dubbed the JamStik, this digital instrument serves the same purpose as the already-available You Rock, except this one comes with real guitar strings, works wirelessly over WiFi, features a lower latency (under 10ms instead of about 20ms, according to Zivix's lab test), and it also has a short
