Hey Alan, I mentioned all this in other comments I've made. You're right that the preview will end eventually. But there are the <a href="http://www.microsoft.com/downloads/details.aspx?FamilyID=21EABB90-958F-4B64-B5F1-73D0A413C8EF&amp;amp;displaylang=e&displaylang=en" rel="nofollow">Internet Explorer Application Compatibility VPC Image</a> which allow you to test as well as services like BrowserStack.

I think Microsoft needs to look at better solutions for allowing Mac developers to test IE.