This is a fantastic article. We need more of such sharing! Also Walts article definitely should be revisited from time to time. Great stuff.
I'm a huge fan of pp. To me they r in their own special realm, no comparison. That said, because they are pp, that's the real pressure for me. But I believe pp will always remain special.
And very glad u raised the point on finishing as well. The functional aspect is rarely discussed and it should be factored in.