Looks like Asus' new P8Z77-V Deluxe is a mini-ITX board. I wonder if they will come up with the regular ATX size board or not. Why no rumor of it yet?
http://usa.asus.com/Motherboards/Intel_Socket_1155/P8Z77V_DELUXE/#specifications
http://usa.asus.com/Motherboards/Intel_Socket_1155/P8Z77V_DELUXE/#specifications