Re: bbpress and memcache?
@johnhiler, his concerns are more about setup problems by unexperienced php user and hosting requirements.
Actually, I don’t like the super cache module for WP, because it’s only powerful for blogs with a lot of page views. Memcache would be better for bbpress in my opinion. I know a lot of people using memcache for several types of applications and they are very glad to use it.
I don’t think that memcache should be a part of bbpress, but it would be helpful that the API is compatible to use it.