Hi Bob,
It's the MIDI out functionality that the OP was talking about rather than the particular VSTi. I was just using Jamstix because it happens to have MIDI out
I'm familiar those ways of working with Jamstix, however Sonar doesn't appear to support MIDI drag and drop from Jamsitx ( I've got Jamstix 2, it might work in the latest version).
When Jamstix is in a project without Kirnu, I can record the midi directly from Jamstix (via its MIDI out) so that I can edit the midi and just use Jamstix as a sample player (or replace it with SSD). You need the MIDI to be able to bounce to audio, and I can't get your point 2. to work.
To test the combination:
load Jamstix and Kirnu, checking Enable MIDI out in both cases, and, for clarity, using separate MIDI and Audio tracks rather than an Instrument track.
Load a synth, and change its MIDI in to Kirnu omni.
Load a patch into Kirnu
Click Echo on for Kirnu and the synth - you should be able to play your synth, which will respond to midi from kirnu, while Jamstix does its thing. However, if I try to record e.g. the Jamstix midi out, I get no midi, and often I get Sonar to crash. Sonar is otherwise stable for me, and, as I said earlier, I can normally record the midi out from Jamstix, so long as it's not competing with kirnu.
Simon