With the release of the MIX06 build of Internet Explorer (“Internet Explorer Beta 2 Preview—released on March 20”), Microsoft has declared IE7 “layout complete”. What that means is that no new CSS features will be added. This is what you get in the final IE7, though there may still be bug fixes. So, now is the time to start testing. I haven’t been able to test the latest IE7 myself, but it now sup