Some hot music tech for iDevices already dropped at CES, but the product announcement concerto plays on. The next act? The iConnectMUSE digital audio mixer from iConnectivity, featuring six stereo in / outs, headphone out, two USB ports, a "hub-able" USB host, Ethernet / network sharing and MIDI pass-thru. Maker iConnectivity claims studio-grade analog-to-digital conversion will make it a snap to record professional sounding mixes on tour, back at the hotel or even at home. Your garage band