For those with the BlackBerry Bold 9700 on their mind, a simulator is available for this upcoming 'Berry as well. Whether you are a developer or just want to play pretend, you should know that the OS on the simulator is not the build that is expected to be on the unit that gets launched. According to Crackberry, the "gold" code is 18.104.22.1681.
RIM BlackBerry Storm2 9550 Specifications | Preview
source: Verizon (Storm2 9550),Crackberry (Bold 9700)