Line 6 is shipping the TonePort KB37 ($414.99) audio and keyboard interface.
Its hardware features include two XLR microphone inputs with phantom power, a guitar/bass instrument input, stereo line inputs and outputs, stereo digital S/PDIF out, a stereo headphone jack, analog VU meters, a 37 note full-size Velocity sensitive keyboard, pitch bend/modulation wheels, dual footswitch jacks, an expression pedal jack, patch select and transport control buttons, and four assignable real-time knobs and buttons.
TonePort KB37 comes with Line 6 GearBoxT modeling software, which provides a collection of 18 guitar amp and 24 cab models, 5 bass amp/cab models, 30 stompbox and studio effects, and 6 studio microphone preamp models. It also ships with Ableton Live Lite 5-Line 6 Edition recording software.
Both hardware and software are compatible with most Mac and Windows recording programs and support 44.1/48 KHz with 16/24-bit recording, plus a 96 KHz mode.