After watching your videos, I gave up my Infiltration-spec (as I said, been one for 40 levels) to try the standard 31/0/10.
It's great, it's a blast, it's better for your survivability etc etc etc, and in many ways "better" I guess than Infil.
Still specced back today. I can't help it, I love the playstyle of Infiltration way more, the burst the style brings and the skills. I really think there is no "better build" to go with, it really depends on preference and style. I hope to watch more videos of you in the future, I really enjoy them =)