So, you've got a 2011 MacBook Air, and you say its SSD's read / write speeds are letting you down? Well, Other World Computing would be happy to quell your woes with its SandForce-equipped Mercury Aura Pro Express 6G. The company's latest storage upgrade steps things up from its 3Gb/s versions, promising to get your tasks zooming with consistent speeds of "over 500MB/s" (achieved by utilizing the