I need to point out that IME, a Sub can taste incredible, or it can taste really generic and average.
The atomizer needs to be thoroughly cleaned regularly. Obviously the titanium sub is likely to taste better, but having had 2 heaters now, I can certainly vouch that a sub heater virgin of all dabbing will taste a hell of a lot better in the long run than one that has been dabbed a lot.
Especially if you accidentally dab when the sub is not up to temp, the dabmaster heater has a spot in the bottom of the heater where this oil can accumulate and get cooked in. This will give every future hit a generic errrl flavour undertone. My new sub heater which is pristinely clean always tastes incredible, beats out my E-Nano for taste (which it certainly didn't on my original, filthy, dabbed heaps of times at way too low temp heater).
YMMV
I must warn that IMO, the sub is a flower vape. If you dab high quality concentrates and/or any more often than VERY occasionally and want perfect low temp dabs, I would recommend a separate heater for the sub for dabbing, or ideally a separate enail Like I ended up getting. The atomizer's heat definitely makes reclaim nowhere near as good from your oils too. Also any herb you have done previously in the unit will leave a lingering taste in the piece/bowl and the oils from it will also effect your sublimate.
The sub is definitely the best vape for doing oils and flowers together (but no vape does both of these extremely well IME). However it is much better IMO when used for flowers only. The taste is really at another level with a pristinely clean ti sub compared to if you have got residual dabs left in there!
Still, the fact remains that durability wise the sub is a beast; even if the controller/dimmer gives out, you can still fix it yourself in no time with very little effort!
The Evo on the other hand is designed with a heater than is capable of getting WAYYYYYYYYYYYY hotter than it ever needs to for actual vaping purposes (in order to be able to heat up quicker from start up) and the malfunction stories I have read about this are scary. I must highlight that this is not normal functioning of the evo but rather an issue that has come up in a few cases due to electronic issues with the unit.
Still, this fact puts me off the Evo. I do live on the other side of the world from almost all vape manufacturers so shipping for returns is a huge consideration for me. I also live somewhere where 240v rules out the evo. I have only used a cloud plus myself. I am only speaking about the Evo in respect to it's design and reports I have read on FC about it.
Also the sub lets me load and clear one bowl after another, rapid fire style - clearing the bowls in one big hit! I can vape 1g of top quality herb in a minute flat or maybe quicker on my sub. No other vape does this!
For this reason anyone with a high tolerance or who misses super thick bong rips but doesn't want to combust should buy a sub without delay. Just remember that how you use it will determine how it functions/tastes.
The sub is not at all harsh for what it produces and due to the open airflow and super quick cloud production, you are not gonna be putting your lungs through such a work out. You can get the goods out of your herb super quickly and leave the hard work to the vape, not your airways.
Higher heats will obviously be harsher in any vape of course, I'm sure both vapes are capable of producing non harsh hits - and know for sure that the sub can produce instant and absolute white-walling of your piece without much effort and with a much smaller load can do this for just long enough that you don't overwhelm your lungs. I have my bowls perfectly measured and my heat perfectly set so that I can clear the entire bowl with one pretty quick inhalation, leaving my lungs with a little air leftover and making everything much more comfortable!
