SoC Trider G7 + GGG
Trider G7 has a painted prototype(?) for display:
http://itakon.it/giapponesi/trider-g7-soc-anteprima-mondiale-del-nuovo-soul-of-chogokin-a-lucca-comics-2013.html
SoC GaoGaiGar(!?) has a resin prototype:
http://i.imgur.com/XyuAJZC.jpg
http://i.imgur.com/PcnnPAo.jpg
http://i.imgur.com/utc9GTZ.jpg
it used to run Microsoft OS
Growing up in Italy I loved Trider G7 (the show that sets the highest expectations for amusement parks ever)
I remember a few years later reacting to the fact that the G7 was running a Microsoft OS :) as shown by this youtube clip.
http://youtu.be/Til41ZHDLb4?t=24s