i think it's between petrova, bovina, dementieva and myskina. however based on consistency myskina is the best followed by dementieva. but i think petrova and bovina have games that could take them to be the best if they become more consistent.
Go the aussies! stosur!!!
and good luck russians: dementieva, safina, kirilenko, sharapova, kuznetsova, bovina, zvonareva, dushevina.
also good luck to: azarenka, lucic, sprem, vakulenko, vaidisova, safarova, ivanovic, groenefeld, mirza, krajicek, kvitkova, larcher de brito, lisicki.