I have a similar CCW pack- same size, features, etc. but mine has a dual buckle lid. I just used it today for a quick 7 mile hike, and use it as a leader pack for ice climbing and alpine.
I do wish it had compression straps (internal would be nice) as when you just have a belay jacket, water and first aid kit, it has some empty space. I also would like a daisy chain on the outside to clip rock shoes, chalk bag, wet gear, etc.
It is tough. Mine is 1000d Cordura (or something like it) and is very well made with a double bottom. The material is burly, but tends to show abrasion. I would like a smoother fabric, something untextured perhaps.
The suspension is a bivy pad folded over and secured in a pocket- easily removed via a velcro flap. This holds the pack shape well, but it's 20×10 inches make it a bit bulky to carry in a larger bag on the approach. The pad unfolds lengthwise to 40×10 inches of 1/4inch foam. I would prefer a 20X20 inch pad folded in half, but this would make it more difficult to get in and out of the pack sleeve.
It's slim profile stays out of the way while climbing- it is hardly noticeable. The bivy pad keeps the pack's shape and does well with 15 pounds (for me). It is a good leader pack and can take some hauling- but I do wish it had the changes I mentioned above.
Mine weighs 1lb 13.5 ounces for th pack and 3 more ounces for the pad (just weighed on a Pelouze digital scale). So at 2 pounds I only take it when I need to size and durability. Otherwise, I use a Mountain Hardwear Scrambler weighing 13.8 ounces. This pack does not carry nearly as well as the CCW, but is half the weight, half the price, and less bulky. It also can not take much abuse at all.
Other options:
Wild Things Guide Pack (pricey)
MEC Genie 30DSL- the old Genie used to be THE alpine pack. Serratus gear was cheap, but tough and purpose built. My 8 year old Icefall served very well until the webbing rotted. I would likely get one of these if I did not have the Scrambler- but again, the CCW is likley tougher for hauling.
Sorry to be so longwinded
Edit: Damnit, Martin beat me to it!