By THE Wrestling Times - Smackdown vs. Raw 2011 comes out October 26th, 2010. The demo (seemingly a Playstation 3 exclusive) comes out October 9th, 2010.
Smackdown vs. Raw 2012 doesn't come out until October/November of 2011. WWE All Stars (an arcadey-style game featuring legends vs. WWE superstars in a more exaggerated style of gameplay) comes out in March.