The girls alliance is probably going to be short lived, IMO. This episode the girls were all shown giggling, enjoying their sudden stature, and generally acting pretty cocky. Foreshadowing their ultimate demise, it's the Survivor way. Seeing that Amanda really isn't down with their group, I would expect her to make some sort of move next week, probably with James(who is dumb enough to vote whatever she can come up with), Eric who I think is smart enough to realize how low his standing really is, and probably Alexis, who could be convinced that she is either 4th or 5th.