I think there are folks out there like Wendell Burnette who are proving that good one-off alternatives to Taco Bell can happen under $150,000, however why there are not more out there proving the same such thing is a mystery to me. And where all the good tract home designers are now is particularly beyond me. There are all the Loft and Townhouse and Highrise style developers out there, and sure high-density urban living is hot right now, and yes they are slightly (post)modern but surely something can overturn the current stucco stigma for new single-family homes.
I often travel between North Phoenix and Scottsdale, and as I drive down through Hayden Road, my childhood mainline to the rest of the world, I often ask myself:
"Will McCormick Ranch tract homes soon constitute the next wave of preservationist tendencies? Is the architecture enough to carry momentum of revival though the next decades? Will anyone wax nostalgic about them? What merits preservation?" Only time will tell. Love of architecture is the kind of thing that seeps into one's bones. But I wonder if the preservation comissions will come to a practical standstill once they reach the year of preserving 1971.

Perhaps that is just a pretention on my part, however.
It begs the question of whether the popular architecture of the 70s and 80s was merely an awkward bridge to the 90s and New Millennium.