There is the link, if i was more tech savvy I would have done something clever.
Looks pretty interesting. Summary of Rumors:
Troop choice entirely dependent on the chosen HQ (I.E. Crisis suit Commander= Crisis suit troops)
1 Markerlight shot fires all of the missiles off of a vehicle.
Skyrays don't run out of missiles, but shoot 6 at 1 target.
There are more but those are the ones that popped out at me (oh yeah and crisis teams consisting of 5 models of 3 wounds each.
After Grey knights it will probably be Necrons, then Black Templars, then maybe Tau? who knows. Crossing my fingers.