I'm not an "extreme beer" drinker, but have noted many discussions here with interest.
Recently came across this article on the Dogfish Head brewery in southern Delaware. A good discussion of craft, micro and brewpub breweries, and what is happening with very strong beers.
http://www.newyorker.com/reporting/2...fa_fact_bilger
Disclaimer: its from the New Yorker, for the Eastern Media impaired.