Hi, I´m new to Mac and wanna buy a MB or MBP for recording guitar, voice etc. As I plan to record step by step (first guitar with a drum loop, then bass, then voice...) and just bought a Apogee Duet I´m between the MB or MBP and want one as I need a portable to go to friends. I will use Logic Pro. Is there any difference in using a MB or MBP for my needs? Anyway, my only need will be using it for recording my ideas and make a complete song step by step. No bigger projects - for example recording a whole band. Thanks in advance for any advice.