Updated almost 2 years ago on .

Best program to load GIS data in: Develop property with two SFR's
I want to load GIS data from my county website in to a program to show proposed develop along county lines. What program would you recommend?
AutoCAD, AutoDesk, Planner5D, SketchUp, Cedro, FloorPlanner, HomePlanner. Another program?
I don't need a program to take me over the finish line with entitlements. I want something decent for initial mock-ups, pencil tests, and funding prior to securing an Architecture & Engineering firm.