> Solution?
> 
> 1. Use an 18F PIC to generate the 1 MHz stream of 4-bit nibbles to
> constantly refresh the display at 1/64 duty cycle -- timing is a bit
> stressful for this chip.

Look at the new PIC24 Graphics chips? The PIC24FJxxxDAyyy series chips
have USB and a GPU designed for driving graphics displays. I haven't
looked closely at them, so don't know if they drive glass directly or
expect an intermediate controller.
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