mafergut
Legend
Just to clarify, I don't know full pll. I know 2 LOOK oll and 2 LOOK pll.
You could get sub-15 or even, theoretically, sub-10 (or sub-12 at least) with 4LLL but I would suggest you to learn full PLL before you reach sub-30 and full OLL before you reach sub-20. Of course, there are people that has delayed the full OLL part until already (much) faster than sub-20. It all depends on how fast your fingers are and how good your memory is. I am more of a memory guy so I learned those algs sooner than that (full PLL when sub-50 or so and full OLL when sub-30).
EDIT: Well, to be honest, I think I procrastinated on learning the four G-perms a little longer than sub-50. I think I was about sub-35 when I learned those. And, yeah, maybe I was missing like 4-8 OLLs until a bit later as well