I've read :
Livy - History of Rome
Suetonius - The Twelve Caesars
Virgil - The Aeneid
Robert Graves - I, Claudius
Robert Graves - Claudius the God

I've seen :
Spartacus (1960)
Ben Hur (1959)
Gladiator (2000)
I, Claudius (1976)
Attila (2001)
Cleopatra (1999)
Julius Ceasar (2002)
Imperium: Augustus (2003)

What else is good ?