So I'm looking for a lightweight (2-3 lbs) backpack that's 40-50 liters with some kind of frame system in it that'll comfortably carry 25-30 lbs. If I get above 35 lbs, I'll use my bigger pack.
So far I've tried the REI Flash 50 (http://www.rei.com/product/830582/rei-flash-50-pack-special-buy), a Golite Infinity, and the Osprey Talon 44. Osprey's tend to fit me pretty well so I had high hopes for the Talon but it feels like it pulls on my left shoulder for some reason, as though I've got the pack out of balance or the left strap is shorter. I sent it back and got the smaller size - same problem, oddly enough. Neither the Flash or the Golite seem to fit quite right either. All 3 work pretty well, but I'm still searching for the perfect feel.
I'm thinking now about the Osprey Exos 46 or maybe the Atmos 50. I also might try the new REI Flash 45 but am figuring that the Flashes just don't fit my body quite right.
Any suggestions or thoughts are greatly appreciated!