I love the Air so much and the cool looking of iMac. I know MacBook has more power, but I don't like it's so bulky and heavy, almost like my old thinkpad. Forget about MacBook Pro, it's a big monster. mac pro is out of question too, too expensive and I don't need that much power on a Mac. So guys, between a iMac and a Air, what would you choose if you have to sacrifice between power and portability? Think about price factor too. Thanks!