The Best FPS after Halo?

I consider myself as a long time Halo player...quite good init too. Comparing with that, this game pwns (no offence) What looks like this one is lacking is, some tactics! Other than that, its pure fly pwnage! (I Like the flying part)

Click here for the video. Warning! high bandwidth required!
Alternative Video Link Here. You have to scroll down and select 'I am old Enough' (Rated for 16+)

Game Website Here