I was looking in the Killzone2 thread on GT and somebody had just posted these picture about 1 hour ago. As you can tell they are of the online mode and feature 6 helgast character classes, 8 maps, 13 weapons and one of the many stat pages.
Click view image to see in full.
EDIT: fixed the picture sizes
From left to right: Assault/Medic/Saboteur/Scout/Engineer/Tactician.