If I were to watch all six movies right now, this is how I would do it:
1 - Star Wars - A New Hope Revisited by Adywan
2 - The Empire Strikes Back - Color Corrected AVCHD SE by Adywan
3 - The Phantom Menace - Shadow of the Sith by L8wrtr
4 - Attack of the Clones - Twilight of the Republic by JasonN
5 - Revenge of the Sith - The Black Knight Rises by JasonN
6 - Return of the Jedi - Partially Despecialized AVCHD by Harmy