Maybe its just me but i didnt see a water container do you drink whit a straw atached the filter directly?
Good work on lowering your load
Also you may consider a cuben fiber tarp and hammock
What you need to keep in mind is that as a rule of thumb your big 4 aka Shelter / sleeping bag /sleepin pad-quilt / and backpack determime around 80% of your weight .
you should get the lightest one possible in the confort zone you are willing to go -always compare whit other poeple list an item you think is light may actualy be heavier than another choice
Also i vote to drop the 100' cordage
maybe keep 20' if you really feel better about having extra .
You have 2 dry bag ,if you whent whit a cuben fiber full seam taped for exemple you would not need any other dry bag than for food ,no pack cover or bag liner The arc blast is a good exemple and i think that it can hold up to 25 pound load quite good
Hicking in shoes also become easy and make for a more enjoyable trail in my opinion
You could also try to use the dri duck as a wind shield alone depending on you it may work i didnt try them but my Helium 2 rain jacket happen to block wind enought i dont need a separate wind shirt
Personally i would only use canister stove on longer than 5 day trip
or in reverse liquid feed mode in -12C max temp to melt snow or because when its cold you just want your meal fast lol colder than that and i'd jump to a liquid gaz stove.
So you can always tweak the small stuff but at that pack weight it does not make a big difference unless you get down the big stuff
Here is my list but im a tent user
http://lighterpack.com/r/6ii17
Hope it help and anyway the goal is to have fun doin what we love !