Just a heads up if any of you are home today ... the demo is now up on the european psn store. I just created a fake euro account and am downloading it now. If you're interested and not sure how to do it, here's instructions:
http://boards.ign.com/killzone/b6968/176761559/p1/
I had intentions to work today. I really did.
edit: Oh it's good my friends. It's very good. It kind of reminds me of a god of war/GTA/spiderman hybrid. Very very cool. Long demo too.