I spotted this new gadget from RIM on BerryReview this morning, the new BlackBerry Presenter. This device allows you to stream PowerPoint presentations right from your BlackBerry device via Bluetooth. Here are some specs:

Physical Dimensions (LxWxH): 3.4 x 2.4 x 0.9 inches (86 x 60 x 23 mm)
Languages Supported: English, French, Italian, German, Spanish
Video Formats Supported: NTSC, PAL
Video Cable Support: S-Video, VGA
Power Connection: Micro USB, S-Video, VGA port, NTSC/PAL support
Display Resolution 640x480 (VGA), 800x600
Support: (SVGA), or 1024x768 (XGA)
Bluetooth: Version 2.0 + EDR, Class 1.5

I would have thought that a device meant to have ease of portability would have a battery option, preferably rechargable. It supports BlackBerry models with 4.6 OS or higher and they specifically mention that it will not work with the 83xx Curve series or 82xx Flip phones. It seems to have some nice features like speaker notes on your BB screen, support for 24 animations and 55 transitions, and freeze and loop modes but I'm not sure about the price. With Engadget posting it will have a $199 price tag I'm not sure how many people will find it practical.

More info:
Inside BlackBerry