Below are some useful links to FPV vendors, FPV specific message boards, and FPV related Youtube channels.
FPV System and Component Vendors
ReadyMadeRC Excellent source for FPV cameras, electronic parts, antennas, transmitters, and receivers. Great customer service.
HiModel Based out of China, cheap deals on Skywalker planes (when in stock…)
Aerial Design Services Purveyor of the 400-Q fiberglass RF-transparent quadcopter frame.
Video Aerial Systems Alex Greve’s (aka IBCrazy) website. Supplier of FPV antennas to many of the leading hobby shops.
HobbyKing Provides just about anything related to FPV. Shipping costs can be high due to most items coming from Asia. They have recently opened up a US Warehouse and this may help reduce shipping costs for those in the US.
FLYTRON Great source for strobe lights and FPV electronics. Based in Turkey, so it might be cheaper buying from ReadyMadeRC (they stock FLYTRON)
Crash Test Hobby “Fly More, Fix Less” is their motto. Rock solid EPP planes and great build tutorials.
FAT SHARK RC Vision Systems Wired and wireless RC goggles.
Team BlackSheep Quadcopters, flying wings, and other FPV stuff.
ImmersionRC Antennas, long range FPV solutions, antenna trackers.
FPV Message Boards
FPVLAB Excellent message board dedicated solely to FPV.
RCGroups General message board with a large contingent of FPV enthusiasts.
DIY Drones Leading community for personal UAVs.
Reddit FPV Reddit FPV discussion group, lots of cool posts here.
FPV Recommended Youtube Channels
rctestflight Scratchbuilt RC projects and FPV aircraft.
glassdogangle Really shows what the Skywalker FPV platform can do. Some nice instructional videos on setting up FPV systems and the great footage one can obtain with a recording high definition camera.
alishanmao Many instructional videos on setting up FPV systems and long range FPV. Easy to follow tutorials and many interesting flying videos.
Flite Test Professional video reviews of FPV products and general RC planes and helicopters.
ExperimentalAirlines Homemade FPV system designer. Many innovative videos on making your own airfoils.
StoneBlueAirlines Fun videos with low flying FPV.
MrGyro Tricopter videos from the UK.
FPV Related Personal Sites
oddcopter All about multicopters.
RCExplorer David Windestal’s personal site.
MikeysRC Scratch-built plans from foamboard; also a popular YouTube channel.
kiloOhm Great technical FPV blog.
Drone Flyers Quadcopter and Multirotor Resource Site
FPVguy Bo Lorentzen’s site
FPV Technical / News Sites
eCalc RC calculator.
FPVcentral.net FPV / UAV news site.
sUAS News FPV / UAV news site.
The Antenna Theory Website A comprehensive tutorial on antennas.
EE Web Electrical Engineering Community
Drone Dump Drone news and commentary