Hey there, could you do a comparison?
Oh yeah, sorry, kind of forgot about it with all the rust paranoia going on

First of my experience so far using Vaporizers has been that I have a pax mini and I tried different DynaVap products with friends I also once tried the Tempest 1.
I don't have the ideal settings down yet (using a wand for heating), but the hits where I got it mostly right were pretty incredible. It felt like I could really taste the Terpenes the mouthfeel of the vapor was also fuller in a way (it's hard to describe). I also really like the handling and design of the Tempest it's a really well made product especially side by side with the DynaVap.
Looking at it from a taste and feeling side, it's definitely a significant upgrade to the DynaVap.
Design, manufacturing and handling of the device are barely comparable. The Tempest just feels like a properly finished product in every way where the DynaVap feels like a work in progress.
Reading this it sounds like the DynaVap is just some cheap low end product, but on its own the DynaVap is still really good and if I already owned one I don't know if I would make the jump because the DynaVap still is really nice to hit and tastes really good and is still a quality product.
You mentioned that you value the terpenes when consuming, so if you have the money and you really want to upgrade, I'd suggest getting the Tempest. Tastewise, there is a noticeable difference, although it's not as drastic as the jump from a joint to a dynavap.
Anyway, these are just my thoughts after testing it a few times, and I wrote them down kind of unstructured. I hope this helps you in your decision-making process.