If you’re anxious to see just what the new, QNX-based operating system on the BlackBerry Playbook is going to look like, listen up. The company has just released the Playbook OS simulator — along with the Adobe Air SDK — for both Mac OS X and Windows on its developer site. The simulator does not reveal any juicy secrets hiding in the PlayBook’s OS, and, for the most part, is pretty basic. Still, if you’re jazzed about the PB, and want to do a little spelunking around RIM’s new OS, hit the read link and have yourself a download. Enjoy!