Have you come across YMDB? - you can list your top 20, and the 5 other users with closest affinity will be highlighted. As you have Sansho in your 20 (and other good ones, of course), Henry, please do enter! And everyone else here, too; the site there could do with some more decent lists, as it's overloaded with latest Hollywood. Surprise, surprise. 

Mine;
1.Sansho the Bailiff (Mizoguchi)
2.Andrei Rublev (Tarkovsky)
3.Paris Texas (Wenders)
4.Story of the Late Chrysanthemums (Mizoguchi)
5.Sunrise (Murnau)
6.Mirror (Tarkovsky)
7.Alice in the Cities (Wenders)
8.Maborosi (Kore-eda)
9.The Green Ray/Summer (Rohmer)
10.North by North West (Hitchcock)
11.La Regle du Jeu (Renoir)
12.Seven Samurai (Kurosawa)
13.Abraham Valley (Oliveira)
14.2001: A Space Odyssey (Kubrick)
15.Some Like it Hot (Wilder)
16.Late Spring (Ozu)
17.Letter from an Unknown Woman (Ophuls)
18.Tales of the Taira Clan (Mizoguchi)
19.Celine and Julie go Boating (Rivette)
20.Vertigo (Hitchcock)  