[70LonghornCST]

In some cases, yes, they are nothing more than like twinkling lights on a Christmas tree: nice to look at but not much more as accuracy can be an issue. But in other cases, they can, and do work quite well. Not new school by any means, but still functional. With that said, you only really need one if you are restoring a truck that originally had one or are merely into adding as many factory options as possible. It's more of a preference than a need, I would think.