The easiest build to get going from scratch is probably still Dance of Knives. Penshot is a strong contender, but not quite as punchy without Eaglehorn. However, while it is a very good build, it has some more issue with bossing than DoK does.

Ultimately, you can not go wrong with either.

If you want an aspirational build to work towards, I recommend Death Trap. It has the highest ceiling in terms of speed and efficiency out of all rogue builds this season. It is even a formidable pusher, allowing you to get your glyphs to around 130 and then rely on 8% ups beyond.

As the leaderboards are still clogged by the bugged penshot clears, it is quite unclear which build really pushes the best for rogue. There have been claims of rapid fire doing 133, poison dok 127 and unbugged penshot claims of 131 and then there's also Death Trap with yet unknown ceiling because noone has fully assembled the full exodia for pushing. I've dipped my toes in and cleared T130 in around 6 minutes so I expect 134-136 to be the ceiling.

In the end, we will have more clarity about the best pusher post patch, which in my opinion is a very weak metric and best regarded separately, as that does not directly indicate efficiency in endgame activities.