Here's a clip I posted on Vimeo yesterday. There's a few plot holes that need addressing and a few technical tweaks that need to be done, but this should give you an idea o the tone I'm shooting for.
Also, I exchanged ideas with a fellow Fanedit.org member and this edit will now encompass all six films in the style of the Godfather Part II. Hopefully it will clock in at less than 4 hours, and there will be heavy re-writing and restructuring.