SWAT: Target Liberty preview at Gamespy.

"The PSP has had decidedly few games from the isometric viewpoint (Killzone: Liberation being the best of them), so SWAT: Target Liberty is already scoring some points for uniqueness. We've seen a bit of the single-player game in action, so at last week's Sierra Gamers' Week we delved into the multiplayer side of things. Surprisingly, while the competitive multiplayer modes use the same basic mechanics, they play rather differently than you might expect."

Full Source: Gamespy