Pegs are quite bulky? Blimey how many do you need? I think I take 4 (without checking) along with some paracord. Tops you can tie the arms (wrist ends) together and trousers the ankle ends. You don't even need to use cordage if you don't want to you can wrap them / tie them to a tree. If you're camping near trees that is instead of having to use a trekking pole and the end of something else / your tent. I only take one trekking pole along.
If anyone has got either of these I'd be interested on your opinions, and if used in anger in some Scottish weather all the better. The only thing that's off putting with the Helix is it's seemingly low height. I don't like sitting hunched with my head pressed up against the inner same as in my Zephyros (I'm about 5' 10"). Whereas the Zenith is a bit higher (also the heavier of the two). I assume the inner front of the Helix can be unpegged and pulled back so you'll have room for cooking? I'm not sure there's enough space in the Zenith without doing the same, more difficulty in pulling the front/side back with that design but that's what I do with the Zephyros but it is a bit of a pain.