I'd go with the Kinks, especially their Golden Age albums, despite these making very little commercially, they were on to something critically, RCA gave them a million dollar advance afterall.
They had:
- Face to Face
- Something Else by the Kinks
- The Kinks are the Village Green Preservation Society
- Arthur (or the Decline and Fall of the British Empire)
- Lola Versus Powerman, and the Money-go-Round Part 1
- Muswell Hillbillies
- Everybody's in Show-biz
Failing them, maybe Pink Floyd although one or two of their post-Barrett/pre-Echoes aren't all that good, but they were finding their sound, they had Dark Side of the Moon, the Wall, Echoes, Piper at the Gates of Dawn, Animals, etc
Or even Paul McCartney, with a career spanning 50 years, although the critics never really loved him, the public did and still do. He only really had two flops (Wildlife and Press to Play) He had albums such as:
- Red Rose Speedway
- Band on the Run
- McCartney
- Speed of Sound
- Venus & Mars
- McCartney II
- Tug of War
- Ram
- Flaming Pie
- Chaos and Creation in the Backyard
- Electric Arguments
Maybe the Who, they did well having never had a number 1, with the rock operas Tommy and Quadrophenia, and the brilliant Who's Next.
Possibly the Rolling Stones, but I feel their later stuff's a bit bland, and their earliest stuff was repetitive or samey.
Finally, the Doors or Led Zeppelin, but I cant be bothered to type more.