Where hava all the diaper bags gone?

So, in our baby gear buying craze, one item we simply cannot find is the essential, diaper bag. You would think that they would be easy to find. We have walked all around several stores, and I simply think that diaper bags do not exist. Of course, we have found 1 (yes, just 1) in Wal-mart. And of course, it probably only holds 3 diapers, and a bottle (yup, it is really, really tiny.)

Of course, we could order one off Amazon. But, I would rather actually handle the diaper bag before purchasing it. Seeing all the cool little pockets and accessories.

Also, I had read somewhere that Dad's should have their own diaper bag for the kid (Supposedly to encourage the dad to help, but I think it really is so that the Dad's don't mess up the mom's bag). So, looking at various bags on the Internet, I think I want a backpack style bag, much like this one. It looks very cool, and its got Velcro pockets. Is it practical and useful. I doubt it. But it sure looks cool.