Reply to 1st real big headphones :)

Hello everyone !!! I'm from Greece and yesterday I saw AKG pair of my friend... I thing they are K511 and I was really impressed.So, can you please make any suggestion for a pair?I want nice quality and closed back not on the ear...if you know what I mean.Please the cost should be around 100$.I have found the Allen and Heath Xone XD-40...