Yep 169 feels a good compromise and 399 is a joke. Do it you know you want to . They are really good. However a lot of people here dislike them as you have seen.knives are generally ok - nothing major chipped or damaged.
Seems to be 3 options now - £99 / £169 and £399
I guess the £169 version is probably best as the £99 doesn't have the Ceramic disc, it has steel instead for the fine