RochambeauxTitanium is lightweight (compared to steel), corrosion resistant, non magnetic, relatively inexpensive, and can be anodized attractively.
Do these features make for a better knife? That's kind of in the eye of the beholder. The benefits here are probably the capacity to have a framelock cut into the titanium scale (which the G10 scale couldn't support), and the rainbow anodizing job that makes the knife a little more attractive than otherwise.