If you're honestly that tough on knife tips, I'm not sure a flat grind would do a lot for you on a drop point blade. Have you considered more of a clip-point style? With the tip a lot further up on the blade, it should (theoretically) be much tougher, and Benchmade does make some very nice clip-point blades, or even some of the modified drop-points that move the tip further up the profile like the Barrage and Griptilian.