Photoshop Creative

Has anyone installed the recently released CS4 update? If so, any problems, comments,etc.?

Here is the link if anyone is interested....
http://www.adobe.com/support/downloads/detail.jsp?ftpID=4292&PID=2294914

I tried to run it and it says I don't have CS4, sure could have fooled me. Oh well.

That doesn't sound too promising!