a beauty. some critics say it compromises on some things like number of usb ports, firewire ports etc, but i think it is a matter of priorities. apple has chosen to go simple, take away what they feel is the 20% requirements and put in the 80% preference. comparing having a separate keyboard and screen for the ultra mobile vs having a multi-USB port hub, i think apple might have gotten it right. they do it differently and people at first might not think it is a good choice but it might surprises people and proof them wrong. i seriously comtemplating changing to the air from pro. not sure if it is an upgrade, but my macbook pro is first gen and only a core duo. looking forward to traveling with air.