I loved the movie and it has Matt Vaughn audio commentary on the non Blu-Ray version so it's a must buy for me. I think the box art is awesome too.
http://splashpage.mtv.com/2010/06/07/kick-ass-dvd-blu-ray-specs-plus-a-special-feature-sneak-peek/
http://splashpage.mtv.com/2010/06/07/kick-ass-dvd-blu-ray-specs-plus-a-special-feature-sneak-peek/