OK. when you start building your RV-9A, you discover very quickly what OTHER stuff you need to build first.  How about the best plane building workbenches ever?  Check out the bench and the plans for the EAA Chapter 1000 work bench at: http://www.eaa1000.av.org/technicl/worktabl/worktabl.htm

Note that you do not need to follow the plans EXACTLY. I made a long table and a short table, so I needed to buy only ONE sheet of plywood.  Actually, later I bought another sheet to have on top, so I could drill, cut, mar and generally abuse the top, then just give it to the next builder and get another.  Here is what that looks like: