The SVD 2 is an eye-watering $58 on Fasttech.
Like I have been saying now for a long time, these old tech products offer such bad value for money, I hardly know how to express myself. If they were reliable (the Smok SID & Vamo certainly were not) then maybe one could recommend them for the aesthetics etc.
My feeling is that if a tube mod is really calling you, then a Provari (2nd hand) might be the only cure.
A man from Europe (I think? - who posted on here) bought a SvoeMesto tube mod which stopped working quite soon and the people who sold couldn't have cared less.
The original Joyetech eVic was tragic (I had two and have one working one made from parts), the threads stripped and the chips went all mad.
The Vamos were massive and many didn't last so well. (I have one working one)
Aspire made a product called CF Tube mod, but there was no variable power, just protections.
Aspire also made the Sub-ohm tube mod... which is still around in places, but for what you get for your money is really not special at all.