Increased body wt is more complicated than just the wt. As if you carried 10 lbs of water vs 10 lbs of body wt.
The increased body wt affects your circulatory system and all other systems for that matter. So just maybe loosing body wt is more important than a lighter tent.
Spoken by someone who needs to loose wt.
Its not about that one pound. Its a mentality. Its easy to justify many small things that only weigh an ounce or two when you take each one individually, but if you allow those small things into your pack when you don't really need them in aggregate they will equal several pounds. I dumped about 15 pounds of gear at Neels Gap and thereafter every week I would completely empty out my pack and carefully consider each item. By the end my rule was if I hadn't used the item in the last week I didn't really need it and would get rid of it. Why would you carry something for a whole week that you weren't using?
Engine,
I bet You'll notice the flaws of the end entry and single door versus side entry and dual doors...That plus the weight savings, and Cuben versus silnylon (sags when wet) to me is worth the extra dough. If I remember correctly you are hiking with a partner, in that case the Triplex probably fits two adult better. Two adults plus gear might be cramped in the Duplex... I have the Triplex in Camo and my twelve year old boy and I have plenty of room for both plus gear... and it's only 2.8 ounces more than the Duplex...
I will be using an Altaplex on my thru when solo and the Triplex when the boy joins me. Triplex is still much lighter than the Motrail and has more interior space both length and width.
Sorry if Hijacked!
HYOH