Please come dump your blogs at
http://adultblogfinder.com
It has either a PR3 or a PR4 depending on which day of the week you go look at it, this thing is like a yo-yo.
No link back is needed, but if you do link back, you don't need that many hits to get on page one.
It sends my blogs pretty good traffic ( and no, I don't rig it...
).
thanks!