So after a week or two of breadboarding and ratsnesting, I am pretty happy with the circuit design and am currently working on a pcb.  Due to time constraints, i am going to route the Pcb on my 3 axis cnc router. I have also been making good progress on the firmware for the atmega. As we want this to be an open platform for future use, there is a fair amount of work in the software/firmware to create a framework that makes future expansion easy.  Screencaps of progress on pcb and schematic below.  

In addition, the laser and mirrors have arrived, so i can start the mechanical design of the rotating assemblies for the laser projector.