Surplus shed has some new goodies:
http://www.surplusshed.com/pages/item/m3000.html
http://www.surplusshed.com/pages/item/m2999.html
AOM and Red diode optics for a very precise medical printer.
Uses a TOLD9211 diode, so easy enough to get a 5.56 to 9 mm diode adapter and stick a modern diode in it.
Steve