Fantastic piece in todays NYTs, here, about how the top tier universities are opening up their classes to online students.
This is a game changer. You can now get an Ivy League education for free, as long as a student/teacher ratio of 120,000 doesn't bother you. (And I can assure you, it won't bother anyone.)
Here's the link to Coursera, which is already up and running for Princeton, Stanford, UMich, and Penn.