Well I am contemplating a 50x80, going big enough to put everything out of the sun and snow...pole barn was my first choice up until I realized that I have a high water table at 3' below grade, so I will just do a steel building on pilings
50x80 is bit for a wood building, especially if you want clear spans. If you can live with poles in the middle of the building then wood would probably work. My shop is 50x60 and the engineer said I need to go steel in order to have clear span beams that would support a 1 ton bridge crane. Wood wasn't even in the running.
