This is kind of funny as for a long time I struggled with finding a camera bag that I was actually happy with. I actually tried a few variations ranging from back packs to something that resembles pull behind luggage...I was never happy with any of it. In my case, I lucked out...I actually found "the perfect" camera bag at a thrift store...for a whopping $3.. that I still use to this very day. I really have no clue what "brand" it is (let alone any notion of a specific "model"), only that I spotted it on a shelf, thought it would suit my own needs...and that it has served me VERY well over the last decade or so. It's a fairly simple over-the-shoulder bag that holds a body with a lens attached, 2 - 3 additional lenses (depending on size/focal length), it has a fold out pouch on the front for a few accessories (I usually keep my polarizer in there with a few spare memory cards, lens cap or 3, lens hood, etc) and another velcro'd pouch on the back that's great for a small lens rag and a manual or two....really ideal. I -know- it's actually a pretty old camera bag as it has elastic loops on the shoulder strap for holding rolls of 35mm film! LOL!
I will say that when I'm out and about, I do try to limit what I drag around with me. Lenses for example...
in most cases I really don't need to drag 8 camera lenses around with me (and when I do, I'll just leave the extras in the car). I think about what I'm gonna be shooting ahead of time and simply take the gear I
know I'm gonna need. There was a time when yea...I'd go out and drag ALL my crap with me. The mentality was "better to have it and not need it, rather than need it and not have it", however I found that can get rather tedious and labor intensive to say the least! I'd walk around at, say a zoo for 5 or 6 hours and after dragging all my crap around all day, yea...I'd be totally wrecked by the time I got home. No fun at all! Now I (try to) plan ahead and take ONLY what I really need...no sense in killing myself just to take a few pics

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That said, I have to agree with tirediron's initial comment there in that it doesn't sound like you're really carrying
THAT much at all...I've seen folks who actually drag small foot lockers around with them (at least on serious shoots). My advice would be to worry less about "brands" or specifics and just browse around at a few camera shops or even a few department stores and find something that suits your own needs. Just my own opinion, but I don't think this is something I would really buy off the internet...much like a woman's purse, to me it's something that would need to "feel right"...and that would require a hand's on evaluation, so any specific brands and such would be totally irrelevant.
Just my own opinions.