Update: I have also found that Costco sells a roast of NY Strip steaks, which means that I will be running this experiment again, next time with my favorite cut of beef.
These are shots of the last steak from my latest effort. Dry-aged for an additional four days, and about 1.75" thick.
Sorry there are no photos showing what it looked like when cooked. I, um, ate the evidence before remembering to document my achievement. Oh well, it's nice to have an excuse to do this again.