i just became an adc member (but they did not ask me to fax anything, i just had to put my student number, and i could buy sth discounted immediately... ?) but now I don't know which macbook pro to buy: - the 2,4 GHz (as ADC member 1599,-) or - the 2,53 GHz (as ADC member 1999,-) I will use it mainly for 3d programs (Maya, 3ds max under windows, AutoCAD under windows etc.), and some graphic programs. (I assume that word, excel and internet will run equally fast in both options..). any advice on that?