With activation of new voice and data plans, AT&T Wireless has refurbished models of the Apple iPhone 3G on sale, with prices starting at $49 with free shipping via 2-day delivery. Each is $50 off and tied with our mention from last week as the lowest total price we've seen for these refurbished iPhones. Sales tax is added where applicable. It features compatibility with AT&T's 3G network, built-in GPS navigation with Google Maps, enhanced enterprise support, a 3.5" touch screen, at least 5 hours of talk time, and more. Note that a $36 activation fee applies. The deals: