Excellent! 
I think the above post is worthy of a PDF available for download from the repository (perhaps even an editable word source so others can add to it).
I still have a couple open questions :
- Is the SINGLE trigger mode working (continues sampling with no screen update until trigger)? How do I restart scanning for the next trigger event?
- How can I stop/start sampling (freeze the display in any trigger mode) and then pan screen left/right to see more of the captured waveform?