I'm going to say Jenna Russell, just because I feel the huuuge potential amount of love for her isn't being reached because she's making her Broadway debut the same time the lovely Patti is starring as Mama Rose. It's overshadowing the Jenna love. (nothing against Patti, btw!)
"As we all should probably have learned by now, to be a Stephen Sondheim fan is to have one's heart broken at regular intervals" - Frank Rich
Dearest, how can this be so? You were dead, you know. - Candide
Oh my god, this show has everything! Half naked guys and girl on girl action! - [title of show]
(My avatar? Why, yes! That is Laura Benanti making out with a chick!)