Great guide, very impressive for a day one guide of a character. Only talent choice I would disagree with is your level 20 talent. I feel like Force of Will is huge in team fights, especially since you recommend picking up Triple Strike at level 13. Three immediate basic attacks with Force of Will kills 18 out of the 20 seconds of Shield Overload's cool down compared to 12 out of the 20 seconds without it. This means that you will have almost 100% shield overload up time in team fights since...

The strength of the ult is not the damage, it is the blind. Four seconds of blind is HUGE, this means that the enemy team will miss (deal zero damage) with every single auto attack for four seconds. Four seconds is enough time to decide the outcome of a team fight, and if heroes like Butcher, Raynor, Illidan, Sonya, Valla, and other's are not able to deal any damage through their basic attacks for four seconds during the team fight then they are rendered pretty much useless. The AOE is...