I agree, make a list of everything as it goes in boxes, and label the boxes accordingly - you'll think you'll remember but with everything else going on you won't. Make plans to purge what you don't need and how to get rid of it (we donated a washer and dryer to the local Habitat for Humanity store and they picked it up in their truck, but it took a few days to arrange). Think about meals for the last day or so in the old place, any traveling days, and the first couple days in the new house - get some disposable plates and silverware, and maybe pack a special box with all the staples and cookware to make one or two basic meals when you get there.
'Splurge' and buy plenty of boxes, rolls of bubble wrap and packing paper, tape, and Sharpies. Measure any large pieces of furniture before they get moved and note the measurements somewhere in your info, so that you can do a little virtual arranging in the new place before everything is placed.
If you can, schedule a cleaning service to clean the old place once you're out, and the new place before you move in.