Yup, me too.
I'd LOVE to see Corona for Rhino, but my fear is that it'll end up in a similar unfortunate situation to Vray for Rhino. That is; powerful software, almost exactly same features as in the 3DSmax version, but with almost no community... ie; no models to download and use, not many discussions, not many plug-ins, limited support etc (although, admittedly, with the plug-ins, Grasshopper is a pretty good one-stop-shop.)
These issues are the precise reason why I moved from a Rhino+Vray only workflow to Rhino-3DSmax-Corona workflow.