Personally, I think Ekitike is the forward that would suit our current system better. Plus, his fee would probably enable us to get another CF.
We need a hardworking CF who can score, but also drop back and assist, and help with the defensive transition whilst Salah cheats up top defensively.
Isak is more an out and out number 9 who is likely to stay up top cheating defensively with Salah. We'll be less secure defensively when pressing.
Having said that, I'll be happy with either signing. Both are quality players.
Isak world class now. Ekitike world class potential.