So Apple have just announced their New MacBook Pros with IvyBridge processors:
http://www.thetechn.com/2012/06/11/apple-new-macbook-pros-with-retina-display/
How do you think they would handle FSX? I know they are expensive, but would you get good performance? I don't really know how good the GT 650M actually is, so I'm not really able to make a rough guess.