hi guys..iam new to this forum and i purchased a macbook air 13 inch 2012 gen that comes with i5 ,4g ram and 256 sad..its a great machine..however, it seems like the air or the safari can not handle some websites very well while zoom in and scroll..so i read lots of posts about this type of issues on retina pro ..i barely heard of anything on macbook air..so is it me or someone who has a i7 and 8g ram macbook air 13 also experiences this kind of lag during web browsing.if thats the case, i am thinking about returning this laptop in 14 days and getting the top end macbook air 13..Thanks!