"These UI automation APIs will also enable UI testing scenarios where you can build end to end browser UI automation that simulates real mouse and keyboard interactions and enables automated end to end experience testing."
http://weblogs.asp.net/scottgu/archive/2008/04/02/unit-testing-with-silverlight.aspx the other side of code coverage - UI coverage ... so... wouldn't it be great if Flex apps could do the same within FlexBuilder? just a thought / FYI cheers barry.b