We recently had the opportunity to compare the original Microvision ShowWX™ laser pico projector to the Optoma PK-201 LED-based pico projector. The Microvision ShowWX™ has 10 lumens of laser-based lumen output, while the Optoma PK-201 boasts 20 lumens of LED-based output. Both units are battery-operated. See out Please note that ShowWX™ is on the left and the PK-201 is on the right in the video and photos.
of the Optoma projectors for more detail on their projectors. Scroll down to the bottom to see a video of this review. Also, there is an attached pdf file of photos taken during the review.