I got a base MBA 13.3" from the US (I'm in Canada) as a gift. I called my local Apple store and told them I was torn between the 13 and 11 and the associate said, "try out the 13 if you don't like it, bring it in and we'll do something for you." I've since decided that I want to go with the Ultimate 11. I went in to my store thinking it would take 5 minutes to swap out, but they ended up telling me I was out of luck because the unit was purchased from the United States (I told them this when I called them). I was told to call 1-800-MY-APPLE which I did and they told me that there's nothing they can do since it was purchased in an Apple Store (in Hawaii) and not online or over the phone. Any ideas on how I can swap it out?