I just wanted to get at least one of every ad. I do care who is on the front. I much prefer a Cobb/ Lenox to a Howell/ Lenox. But I can't always afford a HOF/ rare back combination.
And having advanced to a level where I have all the fronts and backs that I can afford, I want more challenges. So now I'm working on a couple back runs. My Merkle back run has been more fun than anything else that I've acquired. Now if only I could get that damn Red Cross.