I posted before a few months ago but with Christmas coming up I will have some money as well as the money I already have saved up. Okay so here's what I need a laptop for; I'm heading off to college next year and my iPad will have to be sold because I just dont think I can use it as the sole computing device and I'd feel bad having two expensive toys. My dad wants me to get the MacBook pro because he feels its more "powerful" and the built in CD drive makes it suppiorier however I LOVE the Macbook Air, I sat at bestbuy for 1 hour play with the 13inch air, the 13inch pro and the regular macbook and the air had this idk magic to it while the pro felt idk "bulky". Can the air with the external drive function as well as the pro though...I'm be doing allot of sciences and not much CPU intensive stuff...I'm considering the 13inch air 128gb with 4gb of ram and the Pro 13inch with 8gb of ram...I guess the main question is, will the air not hold up to demands.