Though Paul Wiemer talks about all the sub-branches of fantasy, there is a bit more of a focus on Sword and Sorcery. Regardless, it's pretty good reading:
http://www.sfsignal.com/archives/201...on/#more-51977

I know I posted this in the S&S thread in fantasy, but this article is a good read for folks wanting to gain a little focus on the scope of their fantasy writing.