I have a MBA 2012 with i7 and 8 GB of RAM. What bothers me is that it doesn't take a lot of activity on the computer before the fans start kicking in. I loved my MBA 2012 as it ran quiet most of the time, but I am very dissapointed with my new MBA as it is not as quiet as the old one. It doesn't take a lot more than playing YouTube video before the MBA get's too hot. Was expecting a little bit more from Apple. I'm wondering if the cooling/CPU actually was tested properly before they decided to offer that option. Maybe they only tried with the i5 and assumed the i7 would run the same way. What are your experiences?