Test it IE6 and IE7 on the same machine: http://blogs.msdn.com/ie/archive/2006/11/30/ie6-and-ie7-running-on-a-single-machine.aspx http://blogs.msdn.com/ie/archi

Test it IE6 and IE7 on the same machine: http://blogs.msdn.com/ie/archive/2006/11/30/ie6-and-ie7-running-on-a-single-machine.aspx http://blogs.msdn.com/ie/archive/2006/11/30/ie6-and-ie7-runn... Yes, it's a pain b/c you have to run a VM, but it's the most reliable way of testing IE. Other "shortcuts" won't perfectly emulate IE7 in an IE6 environ, or vice versa.