I work in the oilfield ( Midland TX ) when some equipment breaks down , the grill gets fired up , ribeye is my favorite at home on the grill or steakhouse , and to be honest I never ever even considered flank steak , we have quite a few Mexicans working with us and these guys know how to marinate/grill a flank steak , I never knew that they could make it so tender and flavorful I was amazed