I've watched a little over an hour of this and I'm up to the part when Vito returns to Corleone to fulfill his vendetta.

Really great stuff. I've never seen all the old stuff in HD and the details in the background of many scenes are terrific.

The street scenes of old New York are outstanding. Pay attention to the windows, store signs, logos and names that appear prominently but missed because one is busy reading the subtitles.

I agree with SC, there's no way the 7 hour run time can accommodate any of GF III. The original description HBO detailed is inaccurate.

Also, enjoying the added scenes that were cut from the original theatrical release. Fanucci being attacked, Carmine Coppolla playing his flute, the introduction of Hyman Roth to Vito by Clemenza, etc.