i agree with all those but want to add:
Lucy learning that BJ has died begging Tony to try anything else to save her, not understanding why bad things happen to good people.
Carly telling Bobbie "I'm Caroline, I'm your daughter"...
Lucy visiting Stone in the hospital and telling him how she was once the town pariah
Dominque dying in Scotts arms
Robin telling Mac that Stone has AIDS
Mac confronting Felicia and blaming her for Robin being HIV positive, saying she is at fault for convincing Robin to have sex
Brenda and Felicia learning that Stone has died
The Quatermaine family banishing Tracey from the family and from Port Charles after Lois has left town
Lucky confronting Laura when he learns about how Luke raped her.
Elizabeth's rape.
Ron Carvalit, you are my hero!
OLTL For The Emmy in 2009!