While RIM has announced the BlackBerry Bold 9900 they have been sort of quiet about it. We were told that the BlackBerry v7.0 SDK is coming soon which will probably come with a simulator but it has yet to launch. Until then you can get a chance to play with a leaked simulator for the device courtesy of the N4BB team. Most of the perks on the 9900 have to do with new hardware but the OS also got a nice overhaul.
You can pick it up at these links:
Let us know if you find more mirrors!