i can tell you this: i am a pure piker, i dont use any 4-directional weapon on my main. i use a 15/24 build.
i started with the long awlpike because i loved it in native, than i bought a long spear because i liked the unloomed version alot and now i also have bought the pike (because i didnt feel complete, a real piker knows how to use a pike).
i dont know what to say yet because its a though choise, ill think about how to compare the weapons and post it. I can already tell you that the pike is worth nothing without atleast one teammate and i love it on DTV for the fact that you can stab over objects like walls and shieldwalls more easily (you can stab through objects and teammates, but this is not allowed and banable).
I would say, try the unloomed versions of all weapons you want to loom, because thats what i always did. if you can compare the unloomed versions, the loomed ones will feel the same, but better.
I think blunt is a very little bit better than pierce against heavy armor, but i heard from people that the difference was removed in a certain patch.
Because of our build difference i cant really say what is the best weapon. I can tell that i tried my long awlpike on all builds within 24/15 and 15/24 and i chose the agi based build (i felt bad for being such a agiwhore
)
if you want, you can try out my loomed weapons untill the end of this week, im inactive anyway. I think the best way to do that is to join Peasants United with an alt and ill put my stuff into the armoury.