After being nudged to do so by Trevor Kann, here's a tier list of every restaurant I've been to in the Pittsburgh area, minus obvious chain restaurants you would find anywhere.
Includes places I've dined in only, since takeout does not represent a true dining experience. I'll make some exceptions for places that are predominantly takeout. Results adjusted for cost and grad student budget. Tiers subject to change after subsequent visits.
Tiers are defined as follows: