I LOVE The Sundays and that album so much, it is one of my favorites of all time. The Cranberries are an obvious choice for similar sounding bands since Dolores O'Riordan and Harriet Wheeler have similarly powerful vocals. This album specifically came out 3 years after RW&A is really great.
Cocteau Twins also have a somewhat similar thing going on, and maybe even Slow Pulp in a more folky way.
