When you look at the Hawks roster they already have a couple of PF, Horford, Williams, and Smith. So if they lose Smith you still have Williams, and Horford. Albiet Horford plays C. So Childress slides over to SF and Williams slides over from SF to PF. Williams is not a ral grinder at PF, but neither is Smith. paying or matching Philly is really foolish in the bigger picture for the Hawks. They need to spend their money elsewhere. Bibby, Johnson and then a third large contract (Smith) handcuffs them.
I could see a sign and trade after the contract offer is to large for the hawks to swallow. Who would be going the other way I don' have a guess?
The Hawks really should find a C and move Horford to PF. That is the position they should spend their money on C. But it is the Hawks.