Its usefulness comes and goes, but you'll thank your lucky stars when it happens. Especially after the heavy lance nerf, it often makes the difference between life and death now, since they hit at head level a lot of the time.
+3 Fluted Varangian has left me blackbarred more times than I can count, and when you can back away from a poor choice in melee engagement after being overheaded by a poleaxe, you have faith that it was a good choice.
If you're thinking about weapons, you could try ranged. Crossbows are versatile heirlooms that work especially well with 2H builds. Throwing, archery, and cav are options too, but you really need to invest your build in them.