Check out this tiny projector which fits in the palm of your hand, it certainly looks very small, it is from Japan and is called the Miseal.
The Miseal projector is a tiny cube projector that comes with it own tiny dock and miniature speakers, it is capable or projecting video in SVGA with a resolution of 800 x 600.
It measures 70 x 70 x 70mm and weighs in it just 0.6 pounds, and the speaker dock that comes with it has a VGA connection, a headphone jack and a line out port.
It is only available in Japan at the moment for around $435.
Product Page via Slash Gear