
The HP Discover one is Ogio, the Microsoft TechEd 2011 is Targus. Both can safely carry laptop, accessories, etc. The Ogio has a media player pocket on top with a special rubber ring protecting a hole you can use to pass your headphone cord through.
To enter just reply in this thread with why you need a new backpack. If you post a picture of your existing backpack (or laptop transport method) you get double points!
Only one entry per user, previously banned users need not apply, will draw these on Thursday 30th March and send a PM to arrange delivery. New Zealand only, to keep postage costs down, sorry.
Good luck!