This makes it VERY unlikely that there is anything to "see" in Tampa. Not only does this give Romney virtually a guarantee of the rest of the states and all the bound delegates that come with it, but even if 10% of Santorums delegates go to Romney (and they will) that is 25 or so closer that Romney is to 1144. But again...with Romney ALREADY so close to locking it up even if Santorum had stayed, it will likely not come down to unbound anyway.
This DOES get Ron Paul some more delegates, but from Santourm's now unbound (though right now, they are still bound to him since he is suspending, not officially dropping out.) and the rest of the way since it will likely help him pick up enough votes to reach the minimum thresholds for delegates. But that is going to be more for power at the convention..bot for the nomination. It would have required a miracle 2 hours ago. But now it is going to require the mother of all miracles. Without something happening to Romney, it is over.