NP VS DNP; FNP VS ACNP

I am currently a RN in a medical intermediate care unit. I am thinking of going back to school. I was wondering peoples opinions of a MS NP vs DNP?

I was also curious if people had different opinions / advice when choosing acute care NP vs FNP?

Tl;dr going back to school NP vs DNP; ACNP vs FNP?