AHEM...
I considered it, but I don't think it's as comfortable as my Crumpler Sinking Barge. It holds more camera gear and can hold a bigger laptop, but the Customary Barge is a more fair comparison to the Adventure 9, and I've never seen a Customary Barge, so can't say anything about storage space of the Customary Barge.
All I can say is this: My friend and I started out in the DSLR world together, but we have essentially bought the alternative of each other's gear. I really don't know why, but we have. I use Nikon; he uses Canon. I bought a Sigma 24-70 f2.8; he loves it, but went with the Tamron 28-75 mm f2.8. I bought a Crumpler Sinking Barge; he bought the Adventure 9. Anyway, we compare gear all the time because we own similar things, but the exact item is different.
His Adventure 9 feels cheaper, and the straps aren't nearly as great, nor is the bag as comfortable to wear. Also, if you read my review, the Crumpler models can fit an A4 sized paper/notebook/binder, whereas the general compartment of the Adventure 9 is like a cube and could never do this due to its design.
It's a great bag because it carries so much camera stuff and can fit a thick 15" laptop, while my Sinking Barge can only fit a 13" MacBook and less camera gear, but my general compartment is bigger. The Customary Barge would be an option for those who need the space.
I'm in Japan in my gf's house, so I don't have time to just take photos of what I can hold in my bag, but I'll tell you that I have my NIkon D50 coupled with my Tokina 12-24 mm (the best tourist lens, really), my Nikon 105 mm VR, and I squeezed in my 50 mm f/1.8 in there because it's so darned small.