Hello,
The wait for version 1.0 of Corona is killing me, but A7.2 is doing the job very well :)
Here's is a 4 hour project from start to finish (before click Render)
modeling: Sketchup
render: 3DsMax + Corona A7.2
resolution: 1920x1080
render time: 1:30 per frame
passes: 485, but at 400 was clean enough