We test and rate 9 of the best portable presentation devices around.

Digital video camera technology is constantly changing. The transition from analog to digital has been slow, with tape still being the standard. But, while the Mini DV tape may be the most popular recording media today, many experts tip that within a few years most of us will be recording direct to disk. Already several companies are producing DVD-based camcorders and with the introduction of Blu-Ray disks in coming years it seems the days of tape may be limited.

Many people fantasise about owning a plasma screen because of the massive image sizes and are getting excited because the prices are rapidly dropping, but in the projector world the prices have already dropped so far that for under a few grand you can now buy something that projects an image larger than four plasma screens. Compare that to the price of a plasma screen and see which way the scales tip.