i think it depends how much tym u have left for submission...
short of time = sketchup :p
but m tawking about the results...which 1 shows the better one result?
I use blender since 2008 year. It is free and open source. I do everything from interior to exterior & animation & postprocessing & import-export & even use like movie maker!
nikitronn.narod.ru - can see my works in blender
but revit is BIM..not 3d modelling