I'm just really curious on Cobra's perspective on what he believes to be healthy for longetivity, I haven't looked into Primordial but from a promotional standpoint it seemed to be sticking with basics (if you prefer traditional that's you like..), Mir 2 is good but it was far from perfect and I prefer developers who are going an extra mile to try and advance Mir with good aspects from other games that we played after Mir's Prime days.
For Mir 2 servers, there are 2 for me that clearly shine above the rest.
I have a good bit of faith in Valk's reboot, he did surprisingly well considering he for sure rushed his server out, as well as having to fix rested XP everyday. He looks really keen to improve on all of the mistakes of the 1st run, his major content projects he had in the works will be completed (his own version of BDD + more), drop revisions, world boss spawn revisions (+ no WB abuses like a Wiz/Tao duo'ing), including a whole quest line up until lvl 80 (your char starts being "real" at this lvl point). Great New UI, 1920x1080 resolution, his Mir runs really smooth similar to Jamie's Marble btw, defo tops for me.
EuroReborn, where I think it is not as content driven as Valk's the guy is doing imo an amazing bit of polishing and reworking on crafting and fighting mechanics, I'm super interested for back attack damage amplifier for Warrior and Sin, Sin's get a great skill which stuns>flash behind target, this server to me feels like the Assassin will be a real class and not just some broken/worse off warrior and hard to get the balance correct. Warrior's will be having taunt and he'll be making bosses where that is an important skill. From looks of it fishing and mat gathering will have loads of importance, looks to be an interesting ride.