This bag is excellent.  I wanted something big enough to lug all my stuff and still stylish enough that it doesn't look like your everyday backpack.  This bag achieves that.  I've been able to tote books/laptop, notepads, all my purse items, lunch, pair of shoes, cell phone, itouch and several other items all in one bag.  It has several internal pockets to store smaller items as well as outer pockets which I use to store quick get to items like a small umbrella, keys and such.  I've heard that people would have liked to have an extra pouch for carrying a water bottle, but one of the outer pockets is big enough to store a water bottle at room temp.  Just make sure it's not super cold, because if you do use that pocket to store it, it sweats through and can dampen your internal items.  But, despite that small drawback, I think it's still deserving of 5 stars.  The straps are also very comfortable and with a little adjustment, it sits comfortably on my back.  I've only had this item for about a month and it's still is very sturdy and looks just as I bought it.  I think after about 6 more months, I can give it a truer assessment on it's durability.

Update:
So, I've had this bag for way over a year now and I still love it!  I still get comments on it and I've been telling myself I need to change it up now, but haven't gotten any other reason or encouragement to.  It has held up to the same durability as when I originality got it, and I pack A LOT in it - from lunch, shoes, purse contents, tablet, phone, itouch, and sometimes even a bulky laptop.  What's even better is that it is also washable!  I didn't even know it would hold up, but I spilled some juice or something and it also was a bit dingy.  One wash cycle on gentle and it came out practically new.