The Apple Store continues to discount a selection of factory-refurbished MacBook Air notebooks, as listed below. Plus, each qualifies for free shipping. At up to $440 off, most are tied with our mention from two weeks ago and at the lowest total price we could find. Sales tax is added where applicable. Each carries a 1-year Apple warranty, the same as new units. Items are removed from The Apple Store when sold out. Note that these systems are eligible for the OS X Mountain Lion Up-to-Date Program. The deals:

• Refurb MacBook Air MD223LL/A Intel Core i5 1.7GHz 11.6" 64GB SSD for $849
• refurb MacBook Air MD224LL/A Intel Core i5 1.7GHz 11.6" 128GB SSD for $909
• refurb MacBook Air MD231LL/A Intel Core i5 1.8GHz 13.3" 128GB SSD for $999
• refurb MacBook Air MC504LL/A Intel Core i5 1.86GHz 13.3" 256GB SSD for $1,059
• refurb MacBook Air MC966LL/A Intel Core i5 1.7GHz 13.3" 256GB SSD for $1,159
• refurb MacBook Air MD232LL/A Intel Core i5 1.8GHZ 13.3" 256GB SSD for $1,249