http://www.hardwarecanucks.com/news/...-motherboards/

ASUS, the leading provider of high performance motherboards, launches the highly anticipated Republic of Gamers (ROG) Rampage III Extreme and Maximus III Extreme motherboards in North America today.
The Rampage III Extreme and Maximus III Extreme are available now at authorized ASUS retailers for an MSRP of $399 and $349 respectively.