building a barn--update, what do you think of this quote?

[Cattitude]

http://bioengr.ag.utk.edu/extension/extpubs/PlanList97.htm

Has plans for many agricultural type buildings.

See especially http://bioengr.ag.utk.edu/extension/extpubs/Plans/6356.pdf

This is a "pavilion" with storage that might suit your needs.