I'm seriously considering a Checkpoint Flyer for future purchase, but I was wondering about the carrying capacity of the main compartment. Specifically, what are the dimensions of said compartment - I envision carrying files, magazines, surgical instruments (I'm an ophthalmologist), as well as miscellaneous gadgets and even a change of clothes from time to time. Will this be possible for the CPF? Or should I consider the Super Ego/Ego or Zephyr instead. I like the Ego/Super Ego, but it's not quite professional looking, and the Zephyr a bit too staid for my taste. I just really like the look of the Checkpoint Flyer, and it's TSA-friendly layout is a big plus. Any thoughts or suggestions? Anyone with the CPF find it adequate for similar carrying needs? Thanks in advance!