For me personally, I have never found the slowest speed on my grinder to be too fast as I did on the Guinevere. However, I have found the ability to adjust my speed up or down as I can with a variable speed versus a one speed only grinder to be beneficial. Just as with my scroll saw, I find it good to be able to adjust my speed depending on the project. Sometimes I need to cut slower, sometimes I can bump up the speed, it depends on the type of project, it’s detail, the wood being used, how thick,etc.