All of our new construction is pretty much spray foam now. In our opinion spray foam sucks from an ease-of-work/efficiency standpoint. Nasties up our wires real good. No more fishing wires down the wall easily for retrofits. But that's more work for the painter patcher-upper guys.

I'm not convinced in 20 years spray foam will last any better than fiberglass. Same with that cheesy red and blue plastic pipe the plumbers now use(maybe the plumbing equivalent of HDMI).