Recent posts to the Web Analytics Forum in Yahoo, as well as the general buzz in the web analytics community would seem to indicate that Google are making good on their commitment to ramping up capacity for Google Analytics.

When the Google Analytics was first released as a free product, the demand was massive – way more than Google were expecting. So to maintain the quality of the user experience the invitation code system was implemented. It was never meant to be a permanent fixture, and now it looks like the wait for a code is really coming down. Examples:

http://groups.yahoo.com/group/webanalytics/message/6787

http://groups.yahoo.com/group/webanalytics/message/6952?l=1

You can apply for your Invitation Code directly at Google:
http://www.google.com/analytics/sign_up.html