This is the stuff that the MultiWiiCopter team pilots use and recommend. It's taken us a lot of trial-and-error to discover the items on this list.
Propulsion system (motors, ESC, propellers)

CarbonBird 18a ESC
HobbyWing, set to medium or high-timing. Tested. Compatible with MultiWii.

Speed Controller set up card
Programmes the timing and low-voltage cutoff of HobbyWing FlyFun ESCs

Motor 775kV 60g wound for 4S - Reversed Shaft
Matched to triple-bladed 9050 props on 4S specifically.

Motor 775kV 60g wound for 4S - normal Shaft
Matched to triple-bladed 9050 props on 4S specifically.

Motor 1175kV 40g wound for 3S
Matched to 8x4.5" props on 3S specifically.
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9050 Triple props 9x5" High-RPM
Smoothest props for aerial photography. No jello.

0845 Props 8"x4.5" High-RPM
Quietest props available. Stealth Ops.
Radio Control
V8R7SP Receiver - For JR/er9x Modules/Futaba Modules
Full-range, frequency-hopping clone with PPM SUM
TFR4 Receiver - for Futaba
Full-range, frequency-hopping clone with PPM SUM & RSSi
Cell-by-Cell Telemetry System
Monitors
Individual cell voltages in flight (way superior to total-Volt systems). Warns when 1st cell reaches
VLC.
- Quanum 2.4Ghz Tele. System
Telemetry System Flex Antenna
Light-weight (11 gram) replacement antenna. 1km range, flexible.
- Quanum 2.4Ghz Flexible Antenna
Latest entry levelTransmitter 8 ch 2.4Ghz
Mid Range pro level Transmitter 14 ch 2.4Ghz
Ultimate Pro level Transmitter 18 ch 2.4Ghz
AeroSIM RC Scarab Simulator
RC simulator. Use Multicopter models to practise orientation side-on and nose-in.
Power
LiPo Battery charger
Only LiPo charger that properly balances LiPo cells fully - for storage (3.8v) and use (4.2v). The A30 power supply can run 3 106B's at 1c charge rates
Power (efficiency) Meter
Used to test amp-draw of different propellers to different motors and check ESCs in safe limits.
DC-DC Power Converter (
uBEC)
Provides independent switching 5v power for PARIS CPU board and servos.
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LiPo main battery (4S 40C+)
Nano 40C or 65C 4S (more efficient than 3S for 750KvA motors). We recommend the highest C rating you can afford
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LiPo main battery (3S 40C+)
Nano 40C 3S (for Scarab Armour)
Fire-proof battery bag
Save your house/car from burning (LiPos are no joke). Put your LiPo batteries in a fire-proof bag.
Flight Control System
PARIS AutoPilot v4r6 and GPS
NAZA Autopilot and GPS
WookongM Autopilot and GPS
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Gimbal Tricopter MG tail-rotor servo
Fast analogue metal-gear servo for gimbal & tricopter use.
- BMS- 380MAX MG (very little gear play!)
Airframe
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Carbon Scarab Y6 YSiix
For serious aerial photographers. High-payload, continued flight after single engine/ESC failure.
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Carbon Scarab Hexii
For serious aerial photographers. High-payload, continued flight after single engine/ESC failure.
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Carbon Scarab QuadOcta
Top-of-the-line quadcopter for aerial photography.
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Fastest yaw rotation of any multicopter. Super manoeuverable.
Carbon Scarab TriiKopta
First-person Video (FPV)
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FPV camera
The only camera with a real-life pilot field-of-view and rapid contrast adjustment
Cloverleaf Transmitter FPV Antenna 5.8Ghz
These antenna give full coverage on 5.8Ghz
Skew Planar
Receiver FPV Antenna 5.8Ghz
These antenna give full coverage on 5.8Ghz
FPV 5.8Ghz - Combo Camera/Tx/Rx/Voltage RegFull matching Systyem
FPV diversity system
Tracks aircraft position, turns dish and selects the strongest Rx signal if 2 receivers.
- Eagle Eyes FPV Ground Station
FPV GPS Receiver
Aircraft-mounted GPS. Allows diversity system to accurately track aircraft for max reception.
FPS OSD
Overlays HUD onto video stream transmitted air-to-ground.
Top-of-the-line FPV goggles with head-tracking.
Aerial Photography
1080p/720p video camera. Rugged. Acceptable sound. 99 grams inc. lens (suitable for small Tri/Quad).
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Small DSLR
Ideal for indie aerial videographers. 800 grams, requires 2-axis gimbal on a large (6 engine) copter.
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Tokina super wide-angle zoom lens
Sharper (and cheaper) than canon equivalent. Works with Pana GH2 and Canon 600d
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Panasonic GH2
As used by QuadSlo - Combine with Tokina 11-16mm lens for SLR-killing data rate quality and FPS at half the weight.
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Sony HDR-CX560
Video cameras can continuously auto-focus (well) inflight. Optical stabilisation. Better exposure control (light to dark).
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Sony NEX5N
As used by
FPVlief. and AP_OZ, CrazyJ Light-weight, 1080p 60fps jello free, sharp.