It looks like 4GB memory modules are available. Do you think Apple will have 4GB in the MacBook Air when it gets updated? Do you know if 8GB modules are comming to the market soon and if those could be used in the Air? I have an old MacBook Pro and would like a MBA, but if I would like to be able to upgrade to more RAM than is currently 2GB maximum on my MBP. I mean I think my computer is about 2 and a half years old. If I buy something to replace it for $2500 I want to be able to have more RAM. I don't think I can ever have too much RAM. I read about problems with 8GB RAM in another thread, but that will probably be fixed with newer OS version. I would really like 4GB or 6GB at least.