All in all, Eric Lander's 7.00x (Introduction to Biology) probably was the best of all the courses I completed in 2013. Lander is a fantastic lecturer -- it wasn't uncommon that his lectures (or shall I say performances) ended in applause.

Going beyond "just" videos and multiple-choice quizzes, the MITx folks built/assembled an impressive array of mostly web-based tools (e.g. a 3D molecule viewer, a molecule editor, a simplified version of genome viewers used by actual biologists) to support the learning enterprise.

Here's a glowing review that (unlike my scribblings here) starts to do the 7.00x experience justice: http://okazakifragments.wordpress.com/2013/05/29/the-best-mo...