Blood Pressure and Reduced Sodium Salt.

Has reduced sodium salt use actually reduced blood pressure in you or anyone you know?

I bought some Diamond Crystal Salt Sense. It says it contains 33% less sodium per teaspoon than regular salt. But after I read the micro-print on the back it turns out this is a clever use of words. They flatten out the salt crystal so it takes up more room in the spoon. By weight it contains the exact same amount of Sodium as regular salt.

So this is not making me happy.

I love salt. Any substitutes that you know of that actually reduce the sodium content while still tasting like salt?

Update: November 03, 2009.
Thanks for all your good suggestions. I've already cut out all the processed foods. Either J or I make almost everything I eat from scratch. And if I get too low on salt I get head aches so I can't get rid of it completely. But I think I'll try some substitutes and eating tomatoes more often.