SOME of these places take adult blogs, the majority are mainstream only. This post is primarily for adult webmasters that have mainstream blogs they'd like to promote via submissions. You can also promote your blogs through mini-article/full article submissions, hit me up if you'd like me to post a long list of those sites as well.
Popdex
http://www.popdex.com/
Pheedo Exchange
http://www.pheedo.com/
Blogrolling
http://www.blogrolling.com/
Glob of Blogs
http://globeofblogs.com/
Blogarama
http://www.blogarama.com/
Blogshares
http://blogshares.com/
Blogkits
http://www.blogkits.com/
BlogWize
http://www.blogwise.com/
Bloggeries
http://bloggeries.com/
Blogpulse
http://www.blogpulse.com/
BlogFlux
http://mapstats.blogflux.com/
Blog Reporter (Like Digg)
http://www.blogreporter.biz/
Bloghop
http://www.bloghop.com/
Blogtricks
http://www.blogtricks.com/
Blogexplosion
http://www.blogexplosion.com/
Catch My Blog (Like Digg)
http://catchmyblog.com/