Shortly before OS 2.0 was available for download, RIM released a new BlackBerry Bridge client which you can get here: http://appworld.blackberry.com/webstore/content/19435/?lang=EN
Besides bug fixing one of the very cool feature is the possibility to use the BlackBerry’s keyboard, trackpad and touchscreen to remote control the PlayBook tablet.
This works quite well and there is also a presentation mode.
Something I don’t like is that words typed on the BlackBerry, i.e. a password to unlock the PlayBook, are shown in clear on the BlackBerry screen.