While Sony Ericsson did not mention anything (yet) in CES 2011, it seems like China already gotten hold of the latest Xperia Playstation Phone and happily sharing many pictures and video on it.
Some more pictures.
There are many pictures and descriptions. You can check it out at the below link (translated to English).
And the videos from Youku
Game play using pad
Game Play Comparison
Another video on the Game Play comparison