Well, maybe not the best, but it definitely comes close!
I used to think "why the heck does anyone need that?! Use a potato peeler for goodness sake...!" and then I broke down and bought one because I realized how cheap they were and I was feeling like I needed a new gadget. Well, my goodness! What a revelation! These have to be one of the greatest inventions of my lifetime! I'm really not sure how I managed without it...!