We had a little conversation going about this on the
Ogre Homebrew blog post.
Thorgrimr brought up the idea of going with a gruit for this one. I think this is a great idea since an Ogre, not being much of a farmer, would be more inclined to use roots and herbs in it's recipes. I'm itching to try some recipes, but haven't made the time yet.
Personally, I've always thought of the porters (and stouts) as Dwarven beers. The next question is, should a Dwarven brewery carry a wide range of beers, such as Ambers, IPA's, Porters, and Stouts (similar to an american brewery with many styles), or should we restrict each race to a particular style?