Intercultural Marriage

Respected scholars, as-salamu`alaykum. What does Islam say about a non-Arab marrying an Arab or vice versa? It seems that culture has dominated Muslims' minds to the point that some imams even say an Arab should marry an Arab because they understand each other's cultures better. How about two from different cultures and they are both respectful of each other's culture, is their marriage disliked in this case? Jazakum Allahu Khayran.