The Apple Store discounts select previous-generation, factory-refurbished MacBook Air notebooks, as listed below. Plus, each system qualifies for free shipping. At up to $400 off, each model is at the lowest total price we've seen. Sales tax is added where applicable. Each MacBook Air carries a 1-year Apple warranty, the same as new units. Items are removed from The Apple Store when sold out. The deals:

• Refurb MacBook Air MC503LL/A Core 2 Duo 1.86GHz 13.3" 128GB SSD for $899
• refurb MacBook Air G0JK0LL/A Core 2 Duo 1.6GHz 11.6" 128GB SSD for $1,049
• refurb MacBook Air MC504LL/A Core 2 Duo 1.86GHz 13.3" 256GB SSD for $1,099
• refurb MacBook Air G0JH0LL/A Core 2 Duo 2.13GHz 13.3" 256GB SSD for $1,369