Wave;
Depends on what you want to be able to do with your Burb. If it will just be a cruiser and won't be called upon to carry a full load of people and stuff, I'm sure you can find some softer springs. I have seen mono leaf springs that will lower the truck as well.
If you want your Burb to still be useable as a truck, like I do, I'd get stock replacement springs if necessary or just keep the ones you have. I've never found my 58 to be stiff or uncomfortable. Always seems to ride nicely to me.
