Garthanos
Arcadian Knight
Yes, and yes. I never thought superior weapons added anything good to the game myself. They just became the standard weapons but with weird names and a feat tax.
Using the 4 feats above yup it allows martial techniques to stand alongside existing superior weaponry... and even gets to upgrade them military weapons to superior performance without playing name games. Although I kind of like calling my Superior Khopesh an Arytoth (war fang - in one Dragon Language)