The Apple Store offers a selection of factory-refurbished, iPad with Retina Display models, with deals starting at $399 with free shipping. That's the lowest total price we could find for these refurbished models with an Apple warranty. (Each carries a 1-year Apple warranty, the same as new units.) Notables:

• Refurb iPad with Retina Display 64GB WiFi in Black or White for $449 ($250 off)
• refurb iPad with Retina Display 32GB WiFi + 4G for Verizon in Black or White for $479 ($250 off)
• refurb iPad with Retina Display 64GB WiFi + 4G for Verizon in Black or White for $549 ($280 off)
• see all discounted refurbished Apple iPad with Retina Displays at The Apple Store