Trick question, it's impossible to "have one suck your cock while you fuck the other one". HA! Anyway, I think Tori is hotter, so it's tough to choose whether I would want to watch her suck or fuck her.
There was another poll with there 2 chicks recently. Did you post that one too? Also, if you give the option of "both" on the poll of course thats what I'm going to choose. They are both hot, and yes I want to fuck both of them.
By the way, your avatar rules. Monica Sweetheart is awesome!