After a 2 week vacation, my first day back at work was today - Christmas.  What a let down, but I had something waiting at home to cheer me up!  I fired up my Multi Williams for the first time, and it works!  I had put it together yesterday, but the lights in the house were blinking due to the recent snows and rain.  I didn't want to risk frying something if the power decided to go nuts.  We did end up loosing power, but only for an hour.
I've got the player 1 up/down wires swapped and the picture needs to be tweaked a bit, but after a 12.5 hour shift at work I'm too tired to work on it tonight.  I don't know if it's my imagination, but Joust seems to handle better than I remember in MAME.
I've attached a picture of the cab, and yes it is truly ugly.  The good news is that it's only going to get better!  I don't think I'll do any work to the cab until the spring.  I do plan on replacing the marquee, monitor bezel and control panel fairly soon though.