I got used to drinking any kind of coffee I could find at night in hospitals, and now I'm so used to drinking ‘mud’, that if a spoon doesn't stand up in it I think it's not strong enough coffee. Starbucks is one of the few commercial brands that is strong enough - although I don't think it's great (generally bitter). A lot of people love Dunkin Donuts coffee, but it's too ‘watery’ for my taste.
Turkish coffee made over a bunsen burner - now that's coffee.
On an old episode of “Rawhide”, Rowdy Yates explained how to make a good cup of coffee:
“You boil water. You throw some coffee in. Wait a little, then throw in a horseshoe. If it doesn’t float, you add coffee until it does...”