I got one just yesterday and intend to use it mostly for daily commuting to work with occasional errand of 1-liter pack and a bag of powdered milk taken into consideration. I chose this model because I couldn't find any Flapjacks here in the Philippines. Anyway, right off the bat, I have observed that the zippers on this model seem cheap and unexpectedly below par for a product that is in the price range where it is. Imagine, even the zippers on the smaller (=less expected load) Case Logic that is priced less than half of this one are better. Also left out, I think, is a locking option so that the side zippers can be prevented from sliding down. That may not be a big thing for the expansion part, but will surely add a great deal of security when added to the laptop compartment zipper. Again, I think it is but right to expect it from a product like this one. Aside from the zippers, I am pretty impressed on the quality of the materials used and the protection that they can provide to what we're going to put behind them, especially the laptop. If the zippers will hold up, I believe that I can get a lot of mileage from this bag. Nice design, too. Just last thing, I am not sure up to what size of laptop it is designed, but the upper width could be a little too wide. I think it narrowing it by an inch or an inch and half can still accommodate the laptops with bigger screen.
Quezon City, The Philippines