Walmart offers the iPhone 5S 16GB Prepaid Smartphone for AT&T in Space Gray bundled with $45 in AT&T GoPhone Airtime for $194 with free shipping. That's tied with our mention from a week ago, a total savings of $95, and the best price we could find, outside of the mention below.

A close price: Best Buy has it for $194.99 with free 2-day shipping.