Wow, that's bad. I accidentally shipped the version of SproutCore 2.0 with property accessors turned on; however, Safari 5 has a bug where this blows up when ca

Wow, that's bad. I accidentally shipped the version of SproutCore 2.0 with property accessors turned on; however, Safari 5 has a bug where this blows up when called on an element, and we've been testing on Lion. Anyway, fixed now. Sorry for the inconvenience.