I thought Road to Perdition sucked, I've never seen the other 2.

Well anyhow here is my list.

Movies

The Godfather dvd collection
The Godfather trilogy(6 tape set)
Scarface 1983 version
Scarface 1932 version
The Last Don
The Last Don II
Goodfellas
Casino
Donnie Brasco
Mobsters
Gotti
The St. Valentines Day Massacre
The Lost Capone

TV series/documentaries

Brotherhood
Sopranos
The Gambinos first family of crime
The Iceman confessions of a Mafia hitman
The St. Valentines Day Massacre
The Legacy of Al Capone(Histories Mystories)
The World history of Organized Crime
Godfathers collection(the history channel)
Mafia legends(biography channel)
La Cosa Nostra a Mafia Expose
Mafia(From A&E home video) 4 tape set
The Mob(the best of american justice A&E)4 tape set
Godfathers
Mob Ladies
Defending the Mob
Mob Rats
John Gotti A Mafia Story