Great, all 3 Screens are working and the CPU and graphics adapter don´t overheat. Kinect arrived a couple of days ago for BAM head tracking.
But there was a problem with the back glass in Future Pinball: It was out of center.
The solution for this issue was as strange as the issue itself: I simply changed the Screen order in my windows display settings to 1-3-2 and all was OK.
The first tests with Visual Pinball were successfully:
Its fun to play with Visual Pinball thanks to the new db2s backglasses and great LedWiz-support!
I think I´ll stick with Visual Pinball, even it has no head tracking and 3D graphics. Why? Because feedback is VERY important and the LedWiz support is very crappy in Future Pinball.