JCW Clutch-Flywheel (kupplung-Schwungrad)

Hi guys,
i need your help for choose the right kit for my jcw n14.

These are the options:

- N14 JCW OEM clutch 21208607915 + oem flywheel 21207583195 = 835 Euro

- N14 JCW OEM clutch 21208607915 + sachs flywheel 6366000004 = 555 Euro

- N14 S Sachs Perf 30% 3000951359-S + sachs flywheel 6366000004= 830 Euro

- N18 JCW OEM clutch 21208606067+ oem flywheel 21207636253= 1320 Euro

- N18 S Sachs Perf 15% 3000950655-S + oem Jcw flywheel 21207636253= 1250 Euro

I have read the other threads about it, but I want to know real experiences from who have tried any these parts/ kit.

Thanks very much!

Giova