Brett,
I can help you out with a few of them. First, the shower sump is just for the shower. Mine was full of water and rancid. I thought it was strange why it was full of water and when I removed the lid and played with the float, nothing happened. Pulled on the wires and they were all corroded half in the connector half out. Rewired and pulled the entire sump out to clean it completely. Got rid of all the mold and scum. FYI it does leave some residual water - I shop vac'd it out. The pump sits to one corner so depending how the boat is sitting will dictate how much water remains. But even tilting it to the pump and holding up the float there is still probably 1/2 cup of water left in there... Anyway, tried it out and it shoots water out the side. Bummer, I need a graywater tank.
The toilet - I'm in the same boat
I'd also like to see how it works but I also have the pickup.
Once your shorepower is connected and you throw the main fuse my vista has a separate fuse for the battery charger / something else. You have to throw that to on for the charger to power up.
Does your boat have a seperate graywater tank? I hate the thought of swimming in my shower water / sink water! Wasn't sure if they come standard now or not.