We still got a wait, but a set release date has been confirmed for 7th of September. This game just looks better and better every time they release new screen shots.
http://www.xspore.com/release_date.html
http://www.xspore.com/release_date.html
Spore will be released on September 7, 2008.
The official release date was announced on February 12, 2008 with a newsletter and a news piece on the spore.com website.