Still working up the P gains on the KISS FC (RC29 firmware, 1.03h on the ESC's). I'm going to try a bit higher before using D to tame the prop wash oscillations, but otherwise it feels pretty tight.
I'm right at about 4.1 and for 4.2 on "P" Roll and Pitch respectively.
xHover R5X frame
Lumenier 2206-2350kv Motors
HQ 5x4x3 props
Kiss FC and 24amp RE ESC's
Lumenier 200mW power switch VTX
TBS Triumph antenna
FatShark Dominator HD3, LaForge receiver, VAS 10dbi Crosshair antenna.
Taranis and X4R-SB receiver, running Kiss ESC and FC telemetry for mAh and Voltage alarms.