I don't know how important the revenue from the simulator side is, but I agree it's time to start on a new engine that will facilitate things like multiple tees and more play modes (skins, scramble, etc.). I still GREATLY prefer the look of TGC over PG, but with PG covering all of those options it gets harder to suggest TGC over PG based primarily on graphics. Remember that on the simulator side the gameplay and level of difficulty don't matter...you're really hitting balls. So, the graphics are important to feel like you're out golfing, but no one will go forever without the other fundamental features like multiple tees forever. Start on a new version and continue selling it at $999 if you want (I know protee is heavily involved there) but a new version would be a good opportunity to charge existing simulator customers an upgrade price. They don't have to do it...they can just stick with TGC if they don't care about the new stuff. If you bring out a new version supporting multiple tees and the other things we've requested, though, I would bet that the vast majority would gladly pay an upgrade fee in the $250-$500 range. I know I would.