I actually really enjoyed 61A with Scheme at Berkeley. I think the benefit of learning Scheme to start is the flexibility of learning how more complex features like OOP, can be built off a simpler language.

> Pascal is for building pyramids imposing, breathtaking, static structures built by armies pushing heavy blocks into place. Lisp is for building organisms--imposing, breathtaking, dynamic structures built by squads fitting fluctuating myriads of simpler organisms into place. - Structure and Interpretations of Computer Programs