Just saw some very brief info on the drummachine.com website for the
Frostwave SpaceBeam:
http://www.drummachine.com/frostwave/Spacebeam_f.jpgIt is an "Optical Theremin. Selectable waveform of Sine, Saw and Pulse.
Audio output as well as CV/Gate output which you can control any CV/Gate
equipped synths, effector i.e. Pitch, Cut-off Freq, Res, etc."
They are selling it for $179. I have e-mailed Frostwave for more information.
Ivan