Hiya!! Ok, first off comes the weapon.. it really all depends on which you prefer/can get a hold of. I prefer 2h axe's, some people prefer the swords, u just have to see which is best at your level (ghost stat and damage wise).
As for Stats, I mix it up, I wear mostly plate, with 3 chain pieces (Paicha belt/Gloves and Boroboro Shoulders). I statted all 3 pieces stam/pattk castle/crimson/bunker Str/pattk crimson/bunker Stam/def Crimson (or bunker, whichever I already had)
and with the rest being plate, Im getting a nice pdef boost as well as stam/hp boost. But I statted the plate gears with Stam/pattk crimson/bunker Stam/def crimson/bunker HP/def bunker, pattk/def Crimson. My wings are crimson/glorious/hero stam/pattk and str/pattk.. I have roughly 105K HP base, with 47k pattk.. I use a t-10+16 hero's Child. Tho, being lvl 70, I kinda feel pressured into running ToSH more often to get the drops adn learn the tanking patterns..
Yes, Wearing chain does have its uses, as in the extra pattk/str u get in the ghost stats and from +ing it while on warrior side (no matter what level, just be on warrior when plussing to get the extra str (^_^))
So, Hope I could help out!! And have fun building your Wd/w