I m about to order an Macbook Air and after reading through many posts here i decided to order the max out RAM as it could be needed in the futur for new software updates. But is it really necessary to max out the cpu also? It s not about the 100 euro more it s more about that here in France in the Apple stores they don t have the once with max out cpu in stock but they do have some with 4 GB RAM. Another question: I understood from some posts that i can change the language from my OS X from french to english without any problem. But will this also apply to the apps like MS Office ?