If you’re in the mood for some outside the box thinking on interface design, how about putting a bit of physicality into your learning and controlling it with a Wii remote?
Already you can run Flash content on the Wii, and control it with the remote. But now there are third party apps for reading data from the Wii-mote on a Mac or PC.
Lets just ignore the accessibility considerations for now, and think about how much more fun eLearning would be if it involved flinging your arms about.