I've seen two out so far. The Hexus one is the latest.
http://www.hexus.net/content/item.php?item=24263&page=4
http://www.hardwarecanucks.com/foru.../30999-nvidia-geforce-gtx-470-sli-review.html
http://www.hexus.net/content/item.php?item=24263&page=4
http://www.hardwarecanucks.com/foru.../30999-nvidia-geforce-gtx-470-sli-review.html