Personally for me I don't have any favorites when it comes to steaks or Beef in general. I like it all. I am not one for adding sauces. I like to taste just the flavor of the beef.
We smoke up Tri Tip that is mouth watering good. We typically only buy Rib Eyes and Porterhouse when they are on sale. Even a Sirloin can be good when cooked properly.
The only beef we cook indoors is ground beef for spaghetti or tacos. All other beef is cooked outdoors on the grill or the smoker. Even Meat Loaf is cooked on the smoker.
As far as Vegetarians and Vegans go. It would absolutely suck to go through life forgoing the goodness of meat only to die in a car wreck or something.