My friend exzim asked what backpack I have. This is it. It is a Canon brand. I spent hours going through Houston Camera Exchange looking at their hundreds of options, and this one fit the bill. It was in a middle ground of size. I can get my SLR and other camera stuff as well as the computer power supply and a portable hard disk inside it and the mini fits in a flap on the cover. I use some foam padding when I put it in there. Here is a link to the Canon product description:

http://shop.usa.canon.com/webapp/wcs/stores/servlet/product_10051_10051_178254_-1

I have been very happy with it. I have had it for a little over a year and have traveled quite a bit with it.