Not adding an ounce I see, even for a thru hike.
I feel like a bad superultralighter, I just posted an 8.5lb thru hike list, shame on me. :-)
my feeling is that for a long distance hike, I can give up a little weight for function, durability, and comfort.
but if this all comes in a two pound package, I would be happy, but to get that light, you have to give some things up, and for me, on a thru hike, I dont think it wise. extreme ultralighting has its place with me. and that is on a trip less than a week long.
But of course Bill, you are the master, if anyone could make a one pound load work for a thru hike, it would be you. :-)