I am having my eye on this Asus z77 motherboard. It an upcoming 1155 board for ivybridge that is due to be released really soon. Reason: it got built in wifi.
All good motherboard support SLI in that price range. http://www.asus.com/Motherboards/Intel_Socket_1155/P8Z77V/#overview
High end option would be http://www.asus.com/Motherboards/Intel_Socket_1155/Maximus_V_GENE/