1st post here...I'm so excited b/c I just ordered a MBP from the online Apple store.. Anyway, on my past Windows laptops, I've always partitioned the internal HD--1 partition for OS + programs, second partition for media (I use an external drive for storage). (1) Anyway, is there any particular reason to NOT partition the internal drive on my MBP in a similar fashion? (2) I think I'd need to reboot my MBP w/ the OSX reinstall DVD inserted to partition the internal HD, right? (3) How much space does the OS take? On my Windows machines, I typically set aside a partition of at least 25 GB to be safe for my OS + programs... I appreciate any guidance/observations. I know I'll have many more questions once my baby arrives!! Thanks!!