Basic things to know:
Stat soft-caps: Vigor (hp) 49, Endurance (stamina) 20, Vitality (equip load) 29, Attunement 40 (also effects casting speed now), Adapt 39. The damage stats (str, dex, int, fth) all soft-cap at 50. Dex gives a damage bonus at about 1/3 of str.
Poise isn't as good...