Yes, Virginia, there is a Santa Claus, although he’s coming to Wal-Mart a bit late. Confirming what we and many other sites have been saying for quite some time, Wal-Mart has finally announced that sales of the iPhone 3G will begin on Dec. 28th, Sunday. Of course, since some stores had been putting out in-store displays, it wasn’t really all that much of a secret. As expected, there’s only going to be a slight $2 discount, with 8GB models selling for $197 and 16GB models for $297 (new customer or qualified for