Wow excellant job. I'd say it's pretty successful.
What version are you using. RPC's came with ACA2008 I think and were increased in ACA2010.
Well ok they are an extra download but are free with your license (or is that subscription).
When you say "All of this was done with mass elements in ACA2011 using all custom materials" do you really mean everything? It would be easier to use walls and roof's etc. ME's are good for those custom shapes.
The signage is blurry
but I think it's done really well. Even a wind sock!! (That's not a ME is it?).
well done.