APress has a book called "Pro Javascript Design Patterns" that is probably just what you're looking for. While the author (Diaz Harmes) is certainly not "the gang of four", I think he does a pretty good job; I know I learned quite a bit from it (and it got 4.5 stars on Amazon).
Amazon link: http://www.amazon.com/JavaScript-Design-Patterns-Recipes-Problem-Solution/dp/159059908X