I just rushed to adapt LCD from another machine into GB, then went to d/l the update and see that the firmware is not released yet, ha. No, I didn't read the full announcement. Anyway, sigma looks pretty nice for now, and I'm ready to go.
For those that might want to adapt one yourself, it's pretty easy if you have a little hardware lying around. I trimmed the bottom middle bolt down about 1/4" with dremel, installed lock nuts on bottom corner bolts about 1/3rd down for display to sit on, lock nuts on top corner screws about halfway down and small hex spacers on top of those, popped the display in, two nuts at the bottom and two machine screws at the top to hold it, done.