In my opinion the brake judder comes from the Brembo calipers themselves, once warm I get judder, when cold the brakes are fine.

This suggests the brakes discs are fine, but the Brembos have a tendency to overheat and somehow warp. After getting thrashed around the NS (for a few minutes before they started to judder), my discs were showing extremely uneven wear, basically the middle of the disc was shiny and the rest dull. I had thought the pads had broken apart, but upon inspection, everything was fine. Since then there is a creaking noise under braking, suggesting flex in the calipers themselves.

That was enough for me to decide on a new setup - and AP's seemed the logical choice, they also get a lot of good reviews, and many race cars use them.

Just think how many people use AP's - hundreds. Obviously some people will experience problems.

Now how many people run say Movits on their Evo? Under 10 I expect. If one of them was likely to have a problem, would they complain loudly? Maybe not. Even if they did, it's still only one person and their experience, quickly dismissed by the other 9

Be aware that PF only make pads and rotors, and I doubt very much that the products they produce are significantly more advanced than the likes of AP, Pagid, Ferodo or any other brake supplier with a motorsport department.