of the dozen ladies I was contacted by, they were all scamming.Refusal to call,text or do Yahoo IM gets you quickly dropped, even after their pleas for marriage, etc.
Pros
none
Cons
scammers who are in Ghana or Nigeria and do not match their profiles,trying to get your money for legal or financial debts. Some even do the scam where they say they need to ship their money to you but you must first send money to their lawyer.