[Joost]

Yasmin Lee (she can really dominate and fuck at a high pace)
Venus Lux (I think she makes the right moves and ChristianXXX once said she's one of the best tops in the industry)
Eva Lin (though she is bottom, she was fantastic in all top scenes she did)
Camilla Jolie (so pretty, great body, beautiful fat cock)
Britney Boykins (nice cock, and I'd love to try sex with a girl with so many tattoos)
Aubrey Kate (great top, great body, fucks at high pace)
Jessy Dubai (fucks like a champ and seems to like it so much, would love to see her enjoy my asshole)
Lusi Mustang (might be a little unknown here, but she has a great video online called 'Nurse Lusi Supertar' in which she fucks really good)
Sandy Lopes (I just love her cute looks and her slim body. Nice cock too of course)
Milena Campanelli (the prettiest tgirl I have ever seen, with natural breasts and a delicious cock)

special mentions:
Bailey Jay - never seen her top a guy, but in some interviews she said she likes doing that and also loves to rim a guy (which she did do in a video once)
Alyssa Luxor - not really a pornstar, but very pretty
Sapphire Young - I think she's a bottom, but does like to top every now & then.
Jane Marie - I love her equipment, but has she ever used it to top a guy?