Zpacks Duplex...21 oz for $600 for 2 person............21 oz plus the weight of 8 stakes
Tarptent Notch Li.... 19.9 oz $649 for 1 person.........19.9 oz includes the weight of 4 stakes
Tarptent Notch Li approx 10 oz for the tarp without the inner net
Zpacks Duplex non removeable floor and netting..........
Tarptent Notch Potential to purchase Inner with semi solid walls for semi 4 season use
Zpacks Duplex not an option
Tarptent Notch Ability to replace inner, floor takes most of the wear
Zpacks Notch ? can always repair
Tarptent Notch set up in 2-3minutes minutes anyone with a Notch or Moment knows this
Zpacks Duplex 8 stakes to place and adjust
You may want to look at the Notch for its versatility........sort of like an adaptable "system" instead of a pure distinct solution OR you may not..............
It may be more comparable to products like
https://www.hyperlitemountaingear.co...ht-system.html
https://www.yamamountaingear.com/cub...rriform-sw-1p/
Merely trying to provide a slightly different way of looking at it..........