http://www.sonicprojects.ch/opxpro2/freedemo.html
which can be tried in demo mode but its so valuable thing to play yourself and maybe to recreate some synth voices for Nord Stages since listening for patches its one thing playing them is another .
( On the top of that Muse Receptor can run VST avoiding carrying laptops etc).
Enjoy!
Watch on youtube.com
Watch on youtube.com