I humorously call Backbone a MVCn, which is shorthand for Model-View-Collection. There is no traditional controller as other robust JS MVCs state they have. The Collection being, a collection of Backbone Models (super relational-pimped objects, naturally).
I’ve been thinking for some time that the internet has needed more @duckbox on the internet. Fortunately he has oblidged this wish with the first in a series of articles on using backbone.js. Chris knows his development stuff, so his blog is definitely one worth following.