IE8 will work like IE8 by default!
We’ve decided that IE8 will, by default, interpret web content in the most standards compliant way it can. This decision is a change from what we’ve posted previously.
From Microsoft’s Interoperability Principles and IE8.
This is good news all round. It’s nice to see that Microsoft have listened to the comments surrounding their original intention to make IE8 render like IE7 by default. Well done!