As you probably know, the director John hughes died recently of a heart attack after spending many years as a recluse on a farm with his family.
John Hughes made some of the best films of the 80s and early 90s, his highest regarded work being his teen films.
Personally, I love Ferris Bueller's Day Off. I have seen that movie so many times, I can recite it by heart, and yet I never get sick of it. I am also a fan of Pretty in Pink and Some Kind of onderful, which are basically the same movie but with the genders reversed.