[pct-l] Lets Talk Packs

[E A]

So I am trying to decide between packs...

I am thinking of either going with ULA Conduit a very lightweight pack
http://www.ula-equipment.com/conduit.htm

Or  ArcTeryx Naos Pack.  Its completely waterproof and weights 4lbs 10oz...

No need to worry about anything getting wet.  Sleeping Bag, clothes, etc...
No need to bring a rain cover for the pack or water proof stuff sacks.

But it weights more.
http://www.rei.com/product/733753
http://www.arcteryx.com/packs.aspx?type=ac2

Or???


I don't think i'll need more than 55 lt.

Opinions what have people used in the past.