This one is asked a lot and there is no easy answer. However, there’s lots to be said on the subject. Each manufacturer has a different value proposition and some brands make various units, tools, etc. that will work better for you given a wide variety of circumstances. In other words, one unit may be better suited for your needs than another. We will be happy to show you the various documents and/or ratings as well as explain in common English what this all means. We are always happy to answer any and all questions you may have.