Hey, if you have the game No Limits, you'll really like this. Its a pretty accurate re-creation of Rock 'n' Rollercoaster. I didn't make it, but I found it at coastergames.net. Apparently, they used the blueprints and construction photos of both MGM and DLP's RnRc, which as you know have the same track layout.
Heres a screenshot:
Heres a screenshot: