PornHero.com
Internal site
 PageRank:1 
Main site
 PageRank:0
(best page rank is a 10)
http://iadultwebmaster.com/
Main site
 PageRank:0
I've found pagerank sometimes does not mean a true thing sometimes. For example 
www.pornhero.com gets page rank 3-4
So, be careful with those page rank checkings.. always check the WWW and the //.