Well, now in SA server with around 70ms, I can say this:
High ping can destroy your dps.
Tested with all archer c1, ranger c3 and rogue c1 skills:
Barrage can damage all enemys on range. This is huge! with high ping I got less targets 
Bounce shot now works as intented, it almost all times hits 6 targets on your screen
Oblique shot hits enemys even off screen (aka, one mob on my screen, the other one off)
I never miss my skill as before, I can dodge boss skills all the time…
Is like Im playing a new game.
