I think the final one looked surprisingly well. The face plate could've been a little more rigid but it looked okay. Aquaman got comics accurate without being corny.
Honest answer... all these suits are corny and stupid as hell. The fourth one is especially a CGI nightmare... but I do like the design of it and how it harks towards his comic accurate look. I'll vote that one.
Orm's ocean master armour looks great! All that purple compliments the metallic silver perfectly and I really like the faceplate with piercing red eyes and chrome silver finish. I definitely prefer this suit over Aquaman's.