This will be considered more of a study-level simulation and will not have a poor G1000 implementation, unlike the competition you mention. You'll be quite pleased.
Please move this topic to the support forum re-explaining everything: https://forums.x-pilot.com/forums/forum/165-skymaxx-pro/
This way I'm not the only one responding. You're currently responding to a news article.
Is your 3 screen setup using a single computer, or multiple networked ones?
I have set up several sims for 3 screens and SkyMaxx Pro runs as intended on these screens.