Fillet knife recommendation?

[HighHook94]

I have two fillet knives, a Rapala and a dexter. I can't stand the dexter knife and the Rapala is okay. I sharpen the blades every time I fillet fish. When I'm trying to get through the rib bones on a blackfish or sea bass, my two knives struggle big time, especially the dexter. I've been reading online that the Cutco fisherman's solution is one of the best fillet knives, but it is pretty pricey. I don't mind spending the money, but I'd like to know if it's worth it. Or if you have any other recommendations.