The only problem I see is that you took a rune generating talent, but didn't take Gargoyle. I see that you are going to have a lot of extra runic power or a lot of unused runes during your fights. Pick up Gargoyle to use when you hit 100 runic power.
Talent Calculator - World of Warcraft
This one removed Wandering Plague, as I don't think you are planning on AoE grinding. As well, I put a few more points into white damage abilities, which Dual-Wielders are always looking for.