We drive, I totally overpack. We just pack the bed of the truck full. I am terrible! I want to make sure that I have something for anything that might come up. I get in vacation mindset. When we get to WDW it feels like we have left all civilization and that I will not be able to get things I need. I know, it is crazy.
I have a packing list for the kids, but I wing it for us. On our last day we do a late lunch ADR usually, head to the resort early and have dinner there. We then rent some movies there (DVC so n/c) have pop corn and hot chocolate there for the kids in the room to entertain them while we pack up everything except what we need to use and wear the next day.
I TOTALLY understand about trying to squeeze every ounce of magic that you can out of your vacation! It KILLS me to leave the parks early on our last day. But after we buy the hot chocolate and pop corn from the park, usually on our way out, it is fun to enjoy it while spending time in the room.
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Tammi