OK, Tonight was take a ribeye and pressure cook it.
Used, 1/4 cup of cheap dry red wine, ground pepper, lil salt, and 3 tablespoons butter, and chopped two cloves of garlic, got it boiling in the the non-electric pressure cooker, put a saucer in the thing, dropped a steak on it. Closed the lid and once it got to rattling the weight, I went 10 minutes of rattle on medium heat. Let it sit for a minute, then doused the pot in cold water to release pressure. Let it sit for 3 minutes covered. Got a skillet red freaking hot, shaked some adobo and black pepper on the meat then put the steak in for 1 minute each side.
It was browned perfectly, some of the middle of the 1.5 inch steak was still pink inside.
It was about 1/2 the chewiness it was with my previous just searing and serving technique. Way more tender. Taste was very good. I could tell more connective tissue broke down without the meat drying out.
Seems like I'd want to try a longer pressure cook and the same finishing technique to see if it will get even more tender and yummy.
I've got the slow cooker filled with water at 138 degrees. I'm going to drop another of the same steak in a ziploc before I go to bead, and see what 8 hours simmering does. When I wake up I'll take it and sear it the same way I did for the pressure cooked meat, and see how it is with eggs tomorrow.