Zippy, I salute you for daring to speak the truth. Another factor that no one mentioned is the Autozone short block doesn't have the expectations tied to it that a MP crate motor has, so your bulk rebuilder can probably use a lot more of the cores. And, for the homebuilder, your typical 25-year-old going into a yard picks the motor and doesn't look at it that hard, rebuilds it and has that pride of accomplishment that covers up all the little hiccups or side trips. So comparing the Autozone rebuilt engine or the self-built engine to a MP crate motor is fallacious.
Now I am interesteed to hear that the new Hemi will fit into anything that a 318 came in, saves a lot of checking. Looks like I'll have to start keeping an eye on the local Craigslist for the next good motor for my ride.

R.