Funny, when I'm watching Seider play the first name that comes to mind is Chris Pronger, just the way he totally dominates the play and tosses people around. I don't know if he'll ever be THAT good, but he's doing a lot to warrant the comparison. If he ends up being 75% of that, we've still got an elite D man on our hands.
Raymond I see being a consistent PPG player or better with a more well rounded two way game than Marner. I think his game is hungrier and much more conducive to the playoffs. He gets the points when they count. I see a bit of Panarin in him too. Frolunda didn't really do a great job showing what he can do because their system is even more boring than ours is. Blashill at least gives the higher skill guys a slightly longer leash.
Berggren right now looks a lot like William Nylander in his first few seasons. Very strong perimeter player, but he's going to have to cut to the middle of the ice to have any real success in the NHL. Two-way game needs to improve too.
Johansson is the dark horse of the whole group. I think the only thing really holding him back is his frame. He's what 170 now? Yeah, he needs about 20 lbs on him still. But man, once he fills out, this kid is going to be special. Smooth skating, smart, great offensive instincts, good in his own end for his age and playstyle or at least not a liability. I think he's got top pair upside if everything goes well for him (big if), or at least a middle pair. I think this is the player we all hoped Cholowski would be. Potentially QB's the top unit. Edler is a fair comparison, but maybe a Morgan Reilly/Tyson Barrie lite? He's a tough one to peg because his ceiling is kind of up in the air for me.
Wallinder is the other diamond in the rough. Hedman is a comparison I hear pretty frequently for him. It fits to some extent, certainly with his offense. Defensively he's a train wreck and I hope Rogle helps him work on that, but if he figures that out, solid top 4 potential with top pair upside. Could be a good partner for Seider if he pans out.
Viro is pretty similar to Johansson I guess, not quite Johansson's level on skating, but still great. Excellent edgework. Great lateral movement. Responsible defensively. Offense not quite what Johansson's is, but should still be a 20 point guy.