NOW @ £29.99 Cheapest I've ever seen it.
Sure the normal edition is still £17.99 (out of stock for 360) but this is for the Collector's which is a great price.
Collector's Edition contents:
Limited Edition gun mould packaging
1GB Gold Bullet USB 2.0 Memory Stick
Exclusive content, including buddy icons and wallpapers
Limited edition artbook
Stilwater Map poster
Exclusive 3rd Street Saints Poster