Try EasySign. I think it was developed and recently released so it's still new in the market, but I really like it especially since many sign making softwares specialize in solely design, or only plotting, etc. ES actually specializes in different utilities, like designing, plotting, routing, engraving, and compliments large format printing. If you're looking for something inexpensive with good quality, then try it. It comes in different licenses, so there are three different levels of feature depth that you can explore.
