I know you are an expert who not only have DJI drone but also have FPV. I do a lot of research about quadcopter flight controller, I found this page compare most of FC  http://www.rcdronegood.com/flight-controller-board-comparison/ and introduce flight controller software and autonomous FC https://www.rcgroups.com/forums/showthread.php?2694133-Autonomous-Flight-Controller-overview. Both of them are awesome. My question is which FC is best for FPV racing? I’d like to open up the comments to everyone to share your tips, Thank you.

I know you are an expert who not only have DJI drone but also have FPV. I do a lot of research about quadcopter flight controller, I found this page compare most of FC  http://www.rcdronegood.com/flight-controller-board-comparison/ and introduce flight controller software and autonomous FC https://www.rcgroups.com/forums/showthread.php?2694133-Autonomous-Flight-Controller-overview. Both of them are awesome. My question is which FC is best for FPV racing? I’d like to open up the comments to everyone to share your tips, Thank you.