Personally, it sounds like I went backwards from everyone else here. My favorites were Budweiser, Michelob Lager, and MGD. When I moved to Florida, I switched mostly to Yuengling with an occasional Shiner Bock. Then a craft beer bar opened up about half way between my work and home. We first went for their amazing BBQ and kept going for their 50 taps of craft beer and extensive bottle list. I started drinking amber ales, brown ales, and the like, and eventually got a taste for hops, Belgian beers, and other more aggressive styles. It was my love of craft beer that got me into home brewing.
Today, I still can't drink stouts, some porters, and other really bitter dark beers - but I can't stand the taste of coffee either so I'm not surprised. I also can't get the taste for wheat beers. I keep trying but just haven't had the right one at the right time yet I guess. Any other style of beer (including Lambics and other sour Belgian beers) I'll drink.
As for BMC beers, I do still have a soft spot for those. I consider them sports drinks - the Gatorade of beers. After a hot afternoon of yard work, an ice cold Budweiser really hits the spot in a way that something complex and heavy like an Arrogant Bastard doesn't.