IMO, every build has to have anywhere between 20 and 80 cold. That would leave you with:
80 heuksal
80 pacheon
80 fire
40 light
20 cold.
The light is low, however... the build packs quite a punch. Stun and Knockback heaven. It's great in survivability and "firepower", but it lacks plenty in mobility.
Also, with future caps, dual wield builds dissapear completely. Their point of maximum effectiveness was the 80 cap with 70 skills, as in:
http://youtube.com/watch?v=CX3dwMiE_yM&feature=relatedAs the skills are now, I'd aim for this:
http://www.youtube.com/watch?v=Q6NCBHdlCHo