Just thougth I'd pass this along. I recieved this from Auran, developers of the Trainz Railroad simulator. Not sure about anyone else but I've been waiting for years for a true railroad sim to come to the mac. They don't specify where to apply but I went through they're site.
http://www.auran.com/TRS2006/
CALL FOR MAC BETA TESTERS
Express Your Interest Now
Testing is about to begin on the Mac version of Trainz. We are looking for committed people with the right stuff to test, test and test some more.
Does your Mac have what it takes?
1GHz CPU / 32MB GPU / 512MB RAM / 1024x768 screen res
If you think you can meet the requirements, send your name and machine specifications to us at Helpdesk with a brief note telling us why you should be selected.
So what are you waiting for? Apply now.