I'm old. So I started reading comics in the late 1970s. Also, I am not the biggest fan of Superhero books.
So. What does this mean? DC all the way. All they way.
Why? Back in the day DC had the horror books: The Witching Hour, House of Mystery, House of Secrets. (I also read the Charleton books and Warren books)
DC also had the sword and sorcery books: Warlord, Arion Lord of Atlantis, Amethist Princess of Gemworld, Camelot 3000
DC had The Shadow...cuz I love some pulp. And they also picked up Ms. Tree for a while, which I'll always love them for.
Then of course their Vertigo books--my faves being Shade the Changing Man and 100 Bullets.
Swamp Thing was great, too.
In the realm of heroes, the Original run of Teen Titans was awesome. I followed Wonder Woman and the Huntress. Then there was The Watchmen.
I mean...DC! How much greatness!
Generally, I didn't much care for the stuff happening over at Marvel. The two exceptions were I followed the original Ghost Rider and loved the Alan Moore run of Captain Marvel from the Marvel UK series--very dark. But generally, I wasn't all that interested in the Marvel heroes and they didn't have a lot of alternatives to the hero book. And I didn't care about X-Men.