blade durability - yes, sharpness - no, aerodynamically - no, handle durability - no. if i were you i'd buy something with a less narrow head.
Stainless steel? I wouldn't buy that. Too brittle. I have snapped stainless steel blades unintentional.
Are these worth buying? http://www.budk.com/product/United-Cutlery-3-Piece-Throwing-Knife-Set-2-For-1/176212.uts