That's my point, it was primarily designed as a sub hunter and yet there aren't any subs to hunt (that matter anyway, and certainly not for the rediculous price we're paying). I reckon I could find the 4 Iranian subs with a karioke microphone and an ipod headset!
Chicken Leg - don't get hung up on ASW, the MR2 was designed as a Maritime Patrol Aircraft which encompasses more than just ASW. Over the last 10 years the MR2 has expanded its capability and moved away from its traditional core business. Anyway, I would be more worried about the 48 Chinese subs and an expanding blue water navy, than "4 Iranian Subs".