+1! Also, be prepared to have a nice big slice of humble pie. It will happen if you are serious. Between the pro's, and the high end home user, these guys know what works, and will quickly tell you what doesn't.
I think I can speak for all makers on this forum, when I say, if it wasn't for the members, and taking their advice to heart, we would still be trying to make a knife that performs.
"It's all been done before!" The Japanese, Germans, Frence, have been making task specific knives for hundreds of years? The profiles and geometry, are practical, and functional. By all means, try to improve, but there are no "Tactical Nakiris", although a butterfly parer could be cool!
Have fun, read, ask questions, and if corrected, or advised to consider a potential fault in your design, these guys are likely right, and you are not! It isn't personal, they know what will work, and what will annoy the crap out of them after a 12 hour prep shift.