I recommend that you try our Idokorro Mobile Desktop software, it's a VNC client for BlackBerry, specifically optmized for the BlackBerry 8700, but also works on any color BlackBerry with 4.0 or higher.
More information can be found in this thread:
http://www.blackberryforums.com/showthread.php?t=27491
If you need support please contact our fantastic support team at
or 1-888-IT-ADMIN x207, and we will be glad to answer any of your questions.