Apple certified refurbished MacBook Air models are now available at Apple's online store with various configurations to choose from. For $1,499 is the 1.6GHz model with 2GB of memory and 80GB PATA hard drive; for $200 more ($1,699) is the 1.8GHz model with the same RAM and hard drive specs as the first. MacBook Air models with 64GB solid-state ha
