I had a hard enough time finding any laptop sleeve type bags at all that would fit the enormous cases of both the G752VY and G752VT comfortably with accessories. I bought the biggest ones I could find at Best Buy and had to return them because they simply wouldn't fit things right. Finally I wound up buying a couple Targus bags online at Amazon, which were just enough larger than all the competition's 17" laptop sized bags (supposedly) that they fit those laptops nicely. This is the 3rd time I've had success with Targus and large laptops. They also make backpack type bags; if you go onto THEIR WEBSITE you might find exactly what you're looking for. Amazon sells their products, you might be able to buy one there. Get your dimensions nailed first.

Man, 17 hours with that thing strapped to your back still sounds like quite a haul, it aint light ! 🙂