Here is link to the IE8 Blog that explains in detail what Compatibility View is, and also includes information specific to developers:
http://blogs.msdn.com/ie/archive/2008/0 … d=ie8_sm_a
If you still find yourself seeking help with your code the MSDN Internet Explorer Web Developer Forum is a great resource for discussing HTML, CSS and Script specific to Internet Explorer.
http://social.msdn.microsoft.com/Forums … d=ie8_sm_a
A member of the IE8 Outreach Team