Getting ready to help out at the Grill (big busy night) and wandering around google, I found this amazing website. Tasting notes from all over the place but strong on NZ which is getting lots of coverage on the forum here right now. Scroll down left hand side for country you wish to explore!
http://volunteer.blogs.com
*****Gonna educate the servers on what an aged Heidsieck tastes like, the `90 Brut Millesime.