Appleā€™s marketing, which we could expect is best case, puts the 2011 / 2012 MacBook Air at up to 2.5 times faster than the late-2010 model. Benchmarks performed by CNET put the new MacBook Air at 1.9 to 3 times faster.Wow! Microsoft held a media event in New York City today focused on a new version of Windows, a new laptop line. A port (even the MacBook Air offers more),…