What is a good brand of filet knife?

Victorinox Fibrox Pro Filleting Knife – Best Overall
Dexter-Russell Sani-Safe Fillet Knife – Best Budget
Kai PRO Filleting Knife – Best Mid-Range
Global Classic Flexible Fillet Knife – Best Japanese
Shun Classic Fillet Knife – Best Splurge
Mercer Culinary Millennia Narrow Fillet Knife – Best for Delicate Fish
J.A. Henckels International Classic Boning & Fillet Set – Best Fillet Knife in a Set
Rapala Heavy-Duty Fillet Knife – Best Fillet Knife for Saltwater Fish
Bubba Blade Fillet Knife – Best Fillet Knife with Sheath
Calphalon Classic Fillet Knife – Best Fillet Knife under $50