My macbook is a little outdated. I purchased it in 2008 when Apple first introduced the unibody aluminum macbooks. It's running Mac OS X 10.5.8. Has a 2.4 Ghz Intel Core 2 Duo processor. It gets the job done. I never upgraded the operating system because I've been fine with OS X 10.5.8. Now I just found out I can't sync my new iPhone 5 with my macbook without first upgrading the OSX software!! My OS X version won't allow me to download iTunes 10.7, which is necessary to sync with iPhone 5. Strange, my iPhone 4 with iOS6 synced just fine without issue. It absolutely KILLS me to know that people running old school windows laptops and computers can download the new iTunes to work with their iPhone 5s, but I cannot. I guess I have to go to the Apple store after work to reluctantly upgrade my operating system.