Have a look at this.
IGN Video: Warhammer 40,000: Space Marine Xbox 360 Trailer - Battle Trailer
I'm pretty freaking excited. I've been following this game for a while now. Looks like it will be pretty freaking cool!
Here is an earlier build video with designer commentary. It appears that they've changed design teams and possibly the antagonist from Chaos to Orks, but it's still cool to see.
Leaked Warhammer 40K: Space Marine Footage Shows 'Intimate Brutality'
I'll Bet You Forgot About Me
2 hours ago