It's really a tough choice between GF and GFII, but I always go for GFII, simply because I love the Young Vito era so much. Yet one is really just as good.
TIS
"Mankind must put an end to war before war puts an end to mankind. War will exist until that distant day when the conscientious objector enjoys the same reputation and prestige that the warrior does today." JFK
Yet one is really just as good. 
