Lower cost printers using Pico or pocket LED projectors should now be possible using new http://bucktownpolymers.com/zve200-v470.html resins.

Says it "cures rapidly when exposed to ultraviolet light and visible blue light up to 470nm" and "sensitive enough to cure by the blue light from standard unmodified Pico and Pocket sized LED projectors"

The price works out to $45 per Liter.