Two videos surfaced at PMDG forum at AvSim with sneak previews of the weather radar to be part of the much anticipated PMDG’s B777-200LR/F service pack that is currently under final testing.
The first video is by Kyle Rodgers and can be watched here:
http://www.youtube.com/watch?v=B3_o3jVUK6A
The second video was prepared by Froogle and can be watched here: