I purchase this on the recommendation of my friend who is a professional chef.  He starting using the Four Star line in Culinary School, and has not switched in 20 years.
The knife is so comfortable, and cuts through the crustiest of breads very easily.  Love the serration which help cut not rip bread.  Also a great tool for slicing angel food and sponge cakes without crushing.  
This knife has a lifetime warranty so I know it has to be great quality, and that the company will stand behind this product.  Will be purchasing additional knives for my collection without hesitation.