Currently Apple's online store is offering refurbished Mac Book Air models in four configurations: the 1.6GHz model with 2GB of memory and 80GB hard drive is $1,499; the 1.8GHz model with 2GB of memory and 80GB hard drive is $1,699; the 1.6GHz model with 2GB of memory and 64GB solid state drive is $2,099; and the 1.8GHz model with 2GB of memory and 64GB solid state drive is $2,299. All three mode
