I am in the same boat - I signed up on OKCupid and found a boyfriend on there, and did make contact with other guys claiming to be poly. My boyfriend's wife is actually now putting together a poly lady tea so she can expand her social group - it will definitely help me too!
A modern day polyamorous polygamist My Online Journal
Me, center of a MFM V-shaped polycule (39F)
Wife to DarkKnight (40M) & PunkRockAwesomesauce (42M)