I recently bought the
Kata Bug-205 PL backpack before my India trip in December.
I haven't had a chance to write a review for it yet, but in short, I highly recommend this bag. It's strong, light, holds a ton of gear, etc. The straps are made out of a unique material that is very comfortable. I loaded this thing up with my 15" MacBook Pro, iPad, 5D2 with 70-200mm attached, 24-105mm, 50mm, 17-40mm, miscellaneous cables, storage cards, chargers, plugs, etc.
This bag could easily hold my 5D2 with the 100-400mm attached with all the other lenses around it.
The backpack was heavy with all this gear loaded in it, but it was still quite comfortable. I like how it looks. I was choose this over the
Think Tank StreetWalker HardDrive. This bag was really nice too, but fugly, imo.