quick G1 note ...
one of the last, if not the last, US combiner was the Decepticon Piranacons
during a slow period in Japan, they were released in a white paint scheme under the name "god neptune" for the Beast Wars Neo line
In the G2 line, there was one major new figure ... "Laser Optimus Prime"
here's the upcoming reissue:
In the R.I.D. (Robots In Disguise) line, the G2 Laser Prime was repainted black and called "Scourge"