I hate to rain on the parade, but full blocks are an essential feature going into the future. Any proposal that tries to avoid ever having full blocks also must address how transaction fees are going to replace inflation as it diminishes.
If not, then there will be no funding for the highly redundant network that exists now, and it will necessarily atrophy to a handful of nodes; Being hardly less subject to coercion, malpractice, and discrimination than our financial system today.