Interesting.
I was looking for a bag for the NEX7 + a couple of lenses, a flash and a tablet. I finally got this one:
http://www.adorama.com/AMUPMBK.html that is just OK, but not that much space for accessories, so I use it for everyday only. Not if I'm going out of town -for trips I did fix and old no-brand bag I bought 15 years ago in France. I'm tempted to copy the model and make more bags...