Snapz Pro X 2 allows you to effortlessly record anything on your screen, saving it as a QuickTime® movie or screenshot that can be emailed, put up on the web, or passed around however you please. Snapz Pro X 2.0 costs $69. Upgrades from Snapz Pro X 1.0 w/ movie capture are $20.
(learned about Snapz Pro X2 over at Veerle’s blog)