It seems quest for sub 8 petrus threads are really popular nowadays, so i decided to make one. I really like petrus as a method, and I think its only bad point is eo in the middle of the solve. I think when people become faster with it, though, they might be able to plan 3x3x2 + eo in...
Optimal doesn't take multiple looks. The Frifri method is not always optimal. The Frifri method is intuitive. If someone can generate algs for it, then it will take only 1 look. Recognition is almost the same as a F2L case.
What about the YongJun Guanlong V2 or the MF3RS? Do they feel similar to the Valk? I have concerns about the stickers on the Yuxin Little Magic falling off.