The only new Evolv based mods you would be buying today are the DNA60 upwards, maybe a second hand DN40, all of those have been great boards (though early days on the DNA60), there was some screen glitching on the early DNA40 when running TC, but that was quickly resolved in the Gold version.
The Yihi chips were not as efficient and the soft cut off too high, i had a £300 Element Mods SX350j based mod, i sold it after a few weeks as it was always needing a charge, the soft cut off was at 3.6v, thats laughable when most high drain 18650 can run to as low as 2.5v and more than safe to 2.75v, which means much more vaping time on a single charge from the same type battery. The Yihi SX350j boards did not have a built in balance charger either, so if you want the full 120w version, you had to fit in a big daughter board or charge externally, unlike the DNA 200/250 that have a very reliable balance charge built in.
As i said though, the china mods still vape well, but some have been prone to catching fire or having bad charging circuits and the higher power mods are just not giving you the power they claim.
Why pay £60 for an RX200 when you can spend an extra £20-40 and get a much better DNA based mod... thats the cost of a premium juice to some vapers.. hardly a bank breaker for a more reliable, efficient and sturdy mod. The £200+ DNA mods are just a joke though, stab wood etc... does not make the mod perform any better lol
