This often asked question can be answered by a little examination of the cutting uses the knife is expected to see, as well as your own tastes in cutlery.
20+ Knife With Serrated Edge. A straight edge knife has no teeth. It'll reward you with better edge retention, meaning it'll need sharpening less often than the cheap ones you'll have to regularly replace.
Wusthof Silverpoint Paring Knife With Serrated Edge Ref 4052 10 from www.naifuji.com
We recommend middle of the road serrated knives. The grit size of your serrated knife sharpener will determine the sharpness no, you might hone the edge somewhat but it won't actually sharpen. They are also known as bread knives and are more commonly used to slice bread, tomatoes and pineapples.
Every knife has an edge style, a way the blade has been ground to make it sharp. These are better to use for slicing cheeses, fruits, vegetables or raw meat. By having less contact area than a smooth blade. Serrated knives are worse at cutting, but since the valleys of the knife don't contact the plate, they don't dull.