There are images everywhere now of the psychic cards and every power on them. There are some big changes, like Puppet Master going away, almost everyone getting access to divination, and a power that lowers invul saves by 1.
Here is a link to the leaked images
http://daemons40k.blogspot.com/2014/05/behold-every-psychic-power-in-whole-game.html#more
or here
http://imgur.com/a/8ddUf