Depending on your location simple as that just may mean simple as going to the moon. If I were to go to my local markets I would find run of the mill swiss, cheddar, blue, and other usual not out of the ordinary cheeses. Nothing that most people are not already familiar with or exciting or anything that would need to be researched. The closest place for me to find decent cheese is a half hour away and that place is relatively new. Short of that I would have to drive to Boston an hour away and that is not taking traffic and parking into consideration. And I am lucky that I live relatively close to Boston so that I can go in there for cheese if I really want. Others may not live that close to someplace that has any sort of variety.
I agree that those xxx of the month clubs are usually way overpriced and the items you get are usually not that great (they beer of the month club my office got me last year was some of the worst beer I ever had), but for some people it may just be the only option to experience new types of cheeses.