Definately agree with Sallow. Look for about 250 Tomahawks to start out with, probably delivered by submarine and missle cruisers. Probably looking to target anti-air, radar, and command and control first. Then you can count on B-2's and F-117's to drop JDAM's and Bunker busters.
If the Iranians bring their navy back to the gulf, look for Harpoons to put them on the bottom as quickly as possible. They have three? diesal powered submarines. Also look for ASW to take them out in the first couple hours or they will cause headaches for the carriers.
The first couple days will see an attempt by Iran to perform CAP, but Navy pilots will RULE the skies as always. Not sure where the Iranian Air Force will go, but they won't want to consign themselves to certain death by climbing into the sky. Hell, they might as well sit in the cockpit and put a gun in their mouths.
I'm becoming increasingly convinced that it's going to come to this. Iran wants a showdown.