This is a little food processor that works exactly like it should. It chops and grinds perfectly. When I want nuts chopped, the mini prep chops them just as I would with a knife--only better. It works perfectly for herbs as well. Power This is one powerful little machine! It always has enough power to chop what I put in it. I often use it to make tomato sauce from the excess tomatoes I have left from my garden. Of course, I don't use it for a big batch--just enough for a pizza or something similar. It also has enough power when I need to puree small amounts of fruit for a dish. Safety It won't work without the lid securely fastened. So, there is no possibility of cutting myself. Ease of Assembly It comes in four pieces: base, blade, bowl and lid. All I have to do to use it, is to put the bowl on the base, put the blade in place, fill it with what I want chopped or ground, and tighten the lid. Very easy. Ease of Cleaning It all comes apart easily. It is best to fill the bowl halfway with hot soapy water to clean the blade so avoid cutting yourself. I then take it apart and clean the bowl and lid with soapy water. Durability It just never gives up and I use it at least once a week.