Check this test out conducted by Alliant Techsystems. It included their products Federal Tactical, Federal HST & Speer Gold Dot. Also, Winchester conducted their tests with their product the Winchester T-Series. Interesting information for those seeking these types of ammo.
Link--> http://www.le.atk.com/pdf/San.pdf
Edit: I fixed the link. G56
Link--> http://www.le.atk.com/pdf/San.pdf
Edit: I fixed the link. G56