Sadly, from our local brewpub's experience at least, Mild's don't sell at all. It could be the best Mild in the world, served from a hand pump, and people would still skip it to have the Vanilla Porter or the Honey Gold instead. It got to the point where, for a "Beers of the UK" competition, they had to specifically ban homebrewers from doing a Mild, because they had already had two Milds win the competition, and neither sold well at all.
I think the REAL gem is a fantastic APA, not too hoppy, that the masses can get behind - but the geeks can still appreciate. That's why I picked Amarillo for mine - everyone I've served my Amarillo SMaSH to, can't believe it's such a simple beer, because it tastes so complex, but is still COMPLETELY quaffable. (Believe me. We tested that part rigorously.

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As for variety... well... Every few weeks, I have to give in to my temptation, and go to the "good" liquor store. I get a few 6-packs of various stuff that I've Never Drank Before -- or better yet, I blow $70 on nothin' but single bottles of Belgians. (That was the last three trips.

) Up till last week, I never knew I liked Chimay Red!!!!!