Sorry for the late reply, I barely use this. At the moment, I think you should work on Ortega until you average at least sub-5, and then carry on with CLL. NR is a great goal to have, but it's all about the small steps 
SpeedSolving Puzzles Community
JDAW6
I average 4.5 rn and i know half of cll and i dont have the eagerness to finish thw rest the algs look hard