Yorke and Cole :wub:
Other than that, Shevchenko and Inzaghi were deadly. Raul and Morientes were perfect (and simply majestic). Henry and Bergkamp were brilliant to watch. Even Keane and Berbatov used to be elegant and pleasing to the eyes.
As for now, Rooney and Hernandez is maturing into a fantastic partnership. Too few top teams play with two strikers nowadays though.