“We are going to have to take this gamble again with metal.” Yes, I think too that this is the only sensible way in the mid-term.
It did really help us a lot that you explained why we face these problems. We know now that we need to be patient and it is not about buying faster hardware tomorrow. Rhino is an excellent software and we will continue to support you guys.
Under these circumstances your improvements over the last few months on 7 beta have been substantial, even on the mac mini with Intel Iris we have seen improvements.