The cabinets were to play many PC based games, They featured their own operating system and could be remotely upgraded.
The concept of the marquees is quite unique and I have been looking into using it in a MAME configuration.
I cant say enough about the quality of these cabinets. They have metal CPs, wheels and very nice leg levelers. Quality construction al the way. They have a nice color scheme and feature a silver faux metallic laminate on the sides.
If you have ever built a cabinet from scratch you will know what money and time you can spend on one!

I will take some pictures of the control panel wiring this weekend and post them here.
The control panel have:
the Imperial trackball(ps2)
analog flight stick(gameport serial)
total of 4 buttons( 3 from the trackball as mouse buttons and one extra one)
what were camera controls
some have a flexible microphone on them
industrial super heavy duty keyboard (has all keys except a windows key)
the CPs have laminate on them with the items identified
Thanks everyone, I will be happy to answer any more questions!!