A couple of other options to consider is just prefinished maple or birch plywood to save that labor and time. I get it for around $90-100 a sheet but its worth every penny. It is a B-2 grade. Since your doing white another option is called a white cabinet liner. similar to laminate but a very nice plywood. Around 100-120 a sheet for me. Or maybe find a good supplier and get a quote for having a better grade finished. It sounds like you would be using quite a bit maybe.