I've been using a burton backpack for a few years and have always carried a laptop in it using a simple sleeve. I've had a few close calls dropping my backpack and worrying about damaging my laptop. I'm thinking a specified laptop backpack, which keeps the laptop from touching the bottom and might give me some peace of mind. Any real advantages/disadvantages to having a built-in laptop sleeve? Any way to better protect a laptop in a non-laptop specific backpack? I have a north face and mountain hardwear backpack picked out. I'm leaning towards the north face but only the mountain hardwear has a specified laptop pocket.