Great question!
I had to stop & think about it for a few minutes and have to admit that being a working class family, price plays a big role in our choice of cut. I love that smoking/grilling allows me to take a cheaper cut and making it taste 5 star restaurant quality (or better).
Our preferred cuts:
For beef steaks - I have to avoid eating a lot of beef, so when I do I want it to taste right! For steaks if porterhouses are on sale we will splurge occasionally and go that route, but honestly for my money I think the flavor of a good sirloin is hard to beat. (I am really enjoying this new-to-me reverse sear method on steaks. They taste better than any steak I've ever had at any restaurant and at a fraction of the cost!)