My beef with BG1/2 characters is that those still alive should be Epic level. This seems to be reflected in the quoted Larian Studio statement that Jaheira will not be available as ordinary party member.
Yes that would be well thought out.
I expect a few more different wizards (schools of magic) and especially another at least one more healer companion. I'm curious if the tradition will be continued (if one can speak of it at all) and if there will be a (multiclass) Gnome Illusionist. BG 1 had Quayle, BG 2 had Jan Jakobar Jansen and BG 3 ???