Nice score, Ken! I always wondered about the 'Party' cycles, too but I guess the Light Soil was chosen as you could probably get away with a short wash cycle if you had a load to run immediately after a meal and needed to get the machine emptied again for the next load as soon as possible. This was before people with multiple dishwashers came along, I guess.... LOL
I'm kinda surprised that the 'butcher block' top on this one is laminate. Is it possible that a real wood one was an option? The KDS54 portable I just got has a real piece of wood on top of it and I remember well that the 1978 GE Contessa portable my folks bought had a real-wood top, even though it was a MOL model.
I share your views about plasticware and the bottom broiler in the GE machines - I'll have to do some experimentation with my 'new' KA as well and see how that does with the drying. I'll bet that forced-air drying system will do the trick.
Enjoy your new toy!!