Depends on whether they sell them out before they feel the need to drop the price. So maybe they'll cut the price further, or maybe they'll sell out of their inventory and you'll have missed your chance.
Since I left my crystal ball in my other jacket, you may just need to decide if $210 off list price is worth buying. Check prices of refurbs of the same model at att.com and store.apple.com and see if you can do better.