On this note, perhaps very time-sensitively-relevant, Coursera's online course on Game Theory has just started. It's a 7-week course that claims to cover all the strong basics. It's quite interactive, too, and seems more optimized for efficient learning than traditional university courses.

If anyone's interested, you can still jump right in (probably until the 13th or 14th-ish), the Week 1 material is probably easy to cover in two hours (or maybe three depending on how carefully and rigorously you want to do the problem set) for most LWers.

The course description and syllabus should tell you everything else I haven't said (see second link above).