It really too early to tell for sure. But the amount of comb and the thickness of the legs, plus the overall stance make me think roo. Post again in 3-4 weeks and we should be able to tell better.
They are soooo cute! I got a straight run BCM on Mother's Day weekend and I was hoping for a roo. I even named him Samson. Well Samson is actually a Sammi. I sure won the gender lotto. 2 straight run chicks and both were pullets. I sure hope at least one of yours is a girl!