Not sure if these rankings really help anyone. But I love ranking girls, so I'm joining the party.
Working with the girls listed on either the PH or the GGR sites as of today (oddly, not a 1 to 1 match), I'm going with
Joey
Rachel
Vicky
Lucia
Ivyna
Stella
Isabella
Cherry
Have yet to see Jojo, MeiMei or Yoyo. (Have met Meimei and Yoyo in lineups).
But you know what? Even the bottom of the list is pretty damn good. In a vacuum I'd be happy to repeat with all of them.
Looks are what they are: the below is more about my own personal chemistry with them.
Joey feels like my lover, who wants me to be happy.
Rachel feels like my energizer sex bunny college girlfriend.
Lucia makes ME feel like a human dildo.
Vicky feels like my fun fuck buddy.
Ivyna is comparable to Rachel, college girlfriend in feeling, with a dash less bop and an additional spoonful of genuine-feeling sweetness. Maybe my grad school girlfriend.
Stella feels like a wildly inappropriate shrink who fucks her patients. (And if you go with that mindset, while she's not the hottest at PH, she is the hottest shrink you will fuck)
Isabella feels like a polite service professional who does her job very well.
Cherry feels like a competent service professional, but honestly made me think she was a bit bored by me. (Maybe because I WAS boring). But I still remember her final kegel action to wring out every last drop. Talent!
Oh, and like everyone says, Rachel has the biggest set.