Pleasance is probably the best Blofeld to date. Certainly the most iconic one. Dr. Evil clearly owes a lot to that version. The volcano raid/action setpiece at the end is another iconic aspect. I really like that movie. Nancy Sinatra's credits song is quite good too. My opinion of it has only gone up over the years. I used to rank Thunderball and Diamonds above it but now I certainly would have it above both. I know Thunderball is often thought of as very good, but I don't see it in the same league as the best of Connery's era.