These Zwilling Porthouse knives are very sharp and have the right amount of heft. 
I received these as a gift and would probably not have chosen them myself, given my experience with an older set of knives from J. A. Henckels, which I regard as mediocre.  However, so far I’ve been very impressed with these Zwilling knives (admittedly after only one day(. [This review was collected as part of a promotion.]