This is a great link for noticeable details on Windows 7. I tried to bring the content straight into here - but i am sure there is a limit. Anyways, check it out.
http://blogs.msdn.com/e7/archive/2009/02/26/some-changes-since-beta.aspx
~Smoke~
http://blogs.msdn.com/e7/archive/2009/02/26/some-changes-since-beta.aspx
~Smoke~