A bios update to the X58 pro enables SLI...just thought I should share...
change the ram get 3 sticks not twohttp://www.amazon.com/OCZ-OCZ3P1600LV6GK-PC3-12800-1600MHz-Platinum/dp/B001NFZ5PQ/ref=sr_1_1?ie=UTF8&qid=1237167081&sr=1-1