Suggestion regarding getting into amex world

Hi dimers , hope you are doing grear . I have been using creditcards since last 4 years and have decent credit collections . I got to hear a lot of noise from the dimer community regarding amex cards. So i needed suggestions regarding if i wanted to take an amed card , then which can be the best one to reap most benefits from it . And which variants can include utility payments in milestone achievements. Thanks in adavance