I like rolling for initiative every round. makes the rules a bit fucky but also adds chaos. And D&D combat doesn't need to be super-fast. If a combat is good, your heart will actually be pounding because you're worried about your character dying. This happened to me in an AD&D game with individual initiative that took like 45 minutes to resolve. Meanwhile, listening to Brendan Lee Mulligan's hyperactive soi voice going 500 WPM describing a bunch of shit as he "vibe-DMs" his game's combat, just bored the hell out of me. Initiative has nothing to do with it.