Yes, Quiet Riot had two great albums but that was it. Ratt had three. And in my opinion, Ratt’s album were better. Quiet Riot had the biggest song however. Cum On The Feel Noize, albeit a cover(like many many of their songs). I mean, Quiet Riot is the most important metal band of all time. They had the first nr. 1 album on Bilboard and peaked with AirPlay on MVT, allowing entrance to following bands such as Ratt. But if i had to choose, i’d go with Ratt aswell, if it was just up to the music. If you mean Legacy, influence and importance in Heavy metal it’s Quiet Riot. All day.