Apple iPad Air 32GB WiFi Tablet w/ Retina Display for $490 + free shipping
Beach Camera via eBay offers the Apple iPad Air 32GB WiFi Tablet with Retina Display in Space Gray, model no. MD786LL/A, or White, model no. MD789LL/A, for $489.99 with free shipping. That's the lowest total price we could find by $20, although we saw it for $21 less four days ago (since expired).
2 very similar deals were also reported by some other sources: