Waveformless reader Rod alerted me to the release of Oscillosine by sample purveyors Hollow Sun for a mere $8! Here's what they have to say about this unusual instrument:
The user interface is modelled on an old Tektronics oscilloscope and might look a bit inscrutable and arcane at first but is actually quite simple. On the other hand, its rather non-standard layout encourages experimentation and serendipity to create sounds that are maybe unimaginable. It's certainly great fun to play with. "