I have a laptop backpack made by Wenger Swissgear and I love it. It holds a crazy amount of stuff, has loads of features and is really comfy. And I've had it for nearly a year and it still looks pretty much the same as when it was new. The model I have is this one,

http://www.stap…

except mine has red highlights instead of blue (I think red looks better because it goes with the little Swiss flags on the zip pulls). I think you can get it in plain black too.

Happy hunting :-)