OK, so using the education discount (im going to college pretty soon and need a good laptop) I've got 2 configurations of computers to choose from. I can either have a mbp with the 2.3 i5, 4gb ram, 128 ssd; or have a mba with the 1.7 i5, 4gb ram, 128 ssd, and the external superdrive. These are both the 13 inch models, and the only differences between the 2 SPEC WISE are that the air is lighter with a slightly better resolution, and the pro has a slightly faster processor. The price for the pro is $1324 and the air costs $1328 (these are both without tax). so the question is, which should i buy? is the resolution that much of a difference and is the built in superdrive worth it? :/