the thinness and lightness of the macbook air keep talking to me for a few weeks now. i'm considering selling my early 2011 13" macbook pro to buy a new 13" macbook air. the one with the i7 with all the bells and whistles upgrades. my current macbook pro has some upgrades too; i installed a 256gb crucial m4 ssd, 8gb ddr3 1066 crucial memory, and 1tb samsung hdd in the optical bay with optical bay caddy. i even have windows 7 installed on bootcamp, and it even have the core i7 at 2.7ghz. it is very snappy and quick on every application i use in both win7 and lion, and i enjoyed using it very much. some gripe that i have on the 13" macbook air is the cpu is only 1.8ghz max not 2.7ghz like the pro, can't upgrade the ram, 4gb is max and it's soldered on, and the matte screen, perhaps i can use a glossy screen protector. i can live with the without the 1tb hard drive since i can make that external to save battery, but i can definitely appreciate the snappiness with a fast cpu. but what do you think, is it worth it to trade all that for thinness and lightness of the air? would you have a remorse in switching after being spoiled from all that supposedly "better" stuff for a while? for me, i chose the pro the first time because because of the upgradeability, but each day i carry it around on campus, i wish it could be a pound or two lighter on my back. i don't use my mac to play games, its primarily for programming and web designing, word processing, and a bunch of other personal image/video editing and encoding and converting, mostly cpu intensive stuff.