I spent months trying to figure out which to purchase. I specifically worried about the 'browning out' that I've seen in some lessers which prompted me to look into butters. The butters generally have a lighter and creamier coloring, hence the name. I figured that would be a better fit for what I was looking for...
Not to mention, they seem to beess available. And like others have stated, that translates to holding their value better than something that is very readily available.