Recently My MBAir has this weird problem where it would just stop working after a while. Fiddling around with the connector or the plug does not fix the problem however if I just leave it sitting there over night it would start working again. Not sure if anyone else has had this problem. Do you guys think this is a problem with the MBAir itself or is it the charger thats defective? took it in to the genius bar but I couldn't reproduce the problem when I took it in. They ran some diagnostics and say nothings wrong but it happened twice again after. Anyways any insight into this issue would be appriciated.