The Ctrlr based panel for MBSID V2 is up&running, and I must say that it was really a challenge!
But at the end it was less effort than programming this editor as a native Juce application because Lua scripting is sufficient (and fun!) - and we will get AU and VST support for free!
The panel can be downloaded from this location: http://ctrlr.org/midibox-sid-v2/
Ctrlr can be downloaded from http://ctrlr.org/nightly/
I tested this with Ctrlr_262f2710.dmg (version from 14