You need balanced sours. I know what you mean. I find, especially with a lot of fruit sours, it's just tart, tart, tart and the flavour is nice but there's nothing to balance it.
Jelly King, Jam Up the Mash, CA's Blueberry Cacao sour I'd consider crushable. There's some bitterness in the finish that doesn't leave you feeling like you drank a bottle of vinegar afterwards.
Why can't you drink? Did Connor inspire you to convert to Islam?