Imho, it really doesn't matter. The Iraqis know we are coming. The only variables to them are the date and time. And the date and time variables are quickly approaching 1.
Ticktickticktick...
5.56mm
Then there is the reality of when things actually start...
Saddam is a Lobster. We have him in a big pot, called Iraq. We've filled it with cold water. He was happy as a clam... er, uh, lobster. A few weeks ago, we turned on the heat.
Its Saddam's turn (or the media's, your choice) to announce when the temp is too hot. Makes not one iota of difference to the military - yesterday, today, a month from now... who cares?