Amazon.com offers Hasbro's Star Wars Interactive R2D2 Astromech Droid Robot for $69.99. With free shipping, that's $100 off and the lowest total price we could find. An actual robot, R2 understands 40 voice commands, can play games with you, recognizes other individuals from the Star Wars Universe, and more. See the video.

Update: This price reflects a $30 drop since this morning.