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I really like the Oakley Icon Pack 3.0 ; does anyone know of someone online that has a very good price on them???
 
After a long search, I chose the North Face On Sight...

It's a bit pricy, but it (really) has plenty of room for my books and other stuff. Also, it can hold a big water bottle on the side (many backpacks I tried can't).

The pack is endorsed by the American Chiropractic Association. No wonder it's really comfy to carry around!

http://www.crunchgear.com/2010/08/11/bag-week-reviews-the-north-face-on-sight-backpack/

I am really happy with it.
 
I love the new Victorinox Swiss Army Big Ben with Security Fast Pass pack.

I travel extensively and got tired of taking my MBP out of the case when going thru TSA security screening. This bag eliminates that step. I just open the bag and send it thru the conveyer to be shot with high energy x rays.

More than that however it is a pack that was thoughtfully designed with compartments and pockets in the right places.

Got it at Sam's for less than $30.

http://www.swissarmy.com/TravelGear...egory=businessgearbackpacks&product=30326601&
 
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