Now I have had my Roffu for over six months. Since I got the dry herb vaporizer I have not combusted anything and I see no reason to. I get a better high, the weed lasts longer, no smelly smoke fills the room air and it is healthier than smoking. My desktop dry herb vaporizer sits unused because the portable is more convenient.
I now have two Roffus each with different weed, eight extra batteries which I just swap in as needed, seven dosing capsules and a dozen oven chambers, half stainless steel and half glass all prefilled with six different strains of weed. The stainless steel chambers hit a little harder because they add a little conduction to the convection. My bong sits in a display cabinet.
I get what you are saying.
To make edibles, topical and tinctures, you gotta decarb the weed anyways. I see it like a mini oven doing about 0.5mg at a time instead of 2gm…
Wife is still using it daily. It came with a concentrate holder for keif and waxes and resins. We have not tried that yet but I am sure it would work fine. Still on the original battery too.