Joe Huckleberry: The waist strap doesn't look that good.
A tip for Kata and some other users:I have and love one of your other bags, which also has a laptop slot in the back. I've also used a few Lowepro bags with that feature.I almost never travel with a laptop (I use a Hyperdrive for storing photos until I get home; the way I work, I prefer to do my computing and home and do other things when I'm travelling and not photographing).
I always carry the bag with me on the aircraft, and in the laptop slot I insert one of those nifty Keyes packing aids that lets you fold and pack (relatively wrinkle-free) several shirts and maybe a pair of slacks. That way I have in my carry-on bag not only my photo gear but (with underwear and socks as padding in a few slots here and there) one or two complete changes of clothing with me. Having had certain airlines delay my checked luggage by up to three days on some overseas trips, I find it really good to have extra clothes with me on the aircraft.