Two-handed sword is incredibly overpowered right now. Use it before they patch it! (Or don't, if you like having the game be challenging) Stoneshard Beta 0.8.1.9
Greatsword playstyle profits from high block chance. That's "Brace for Impact" is a very nice armor skill to have. I usually pick Parry and Brace for Impact as my first 2 skills. Just using my blocks, counters and normal attacks until I can get some attack skills. And Defensive Tactic from the Warfare skill tree is just pure gold.