Hi, I believe that the new macbook air is a bit sturdier and they changed the hinge. Hopefully the new hinge does not have problems but you should maybe give it a look on the internet, just to be sure. Otherwise, I made the repair myself. It costed me about 70€ to get the hinge female part (the part that plugs into the circlips since the axis was ok as it is usually the case) plus the grey plastic. It is much better than 500€ even if I spent 2 hours to fix it following an online video after waiting 1 month to recieve the parts from Hong Kong. The most difficult was to reinstall the grey plastic since I broke a bit the new one but at least the hinge works fine now. After paying 2100€ for this mac book air when the new model costed only 1700€ with slightly better performances just 15 days later. I say bye bye to mac because they will never see me back!