I really enjoyed flying the ImpulseRC Helix today. With BLHELI_S and (untuned) Betaflight 3.0 I did not feel any difference to my KISS setup. Smooth as silk.
You like the transparent props? They’re King Kongs and you can get 10 pairs of them at about USD7.
The Maiden Flight
Since ImpulseRC failed (yes, failed) at delivering a 35° GoPro/FPV camera mount a DVR is all I can deliver right now.
The Racerstar Stuff
You can purchase the incredibly low priced 30A BLHELI_S ESCs from Racerstar and RF2205 2300KV Racerstar motors at Banggood. Take a look at my first impressions.