Up until now Ive only had very cheap walmart sharpening stones and Id like to get something alot better. I have a few different knives I will be sharpening but my current knife that needs it is a Benchmade 943 osborne with a s30v blade. Id like something thats kind of a do it all and pretty forgiving to a unexperienced sharpener. I also dont want to cheap out I want something that is quality and will last. Any recommendations?