A lighter pressure plate will help smooth out a 6 puck. In DSM's I've had a 6 puck sprung hub act 2600 and it was a trans breaker. I Liked the street disk way more, but I was making way over the rated torque on c16 so I stuck a new 2600 plate in with a clutchnet disk. One thing I noticed is that even though the pressure plate was new it had some cupping on the surface and that caused the disk to only work against the outside of the plate effectively increasing the pressure against the disk and making it harder to slip. I've used the same disk with a centerforce pressure plate and it was much better, but still slightly grabby.
I have a used rs4 plate and stage 3 disk that I made for my car like 3 years ago if I ever get around to using it. The disk is o/fe or organic on the pressure plate side and feramic on the flywheel. Both are full face and it's just like what vast/southbend would call the stage 3 back in the day. The more pucks the smoother it will be in most cases. I know some don't like the SAC pressure plate, but it's the key to a long lasting clutch. It will really let you use up most of the disk material, but I understand in all race applications it can have issues and fail.