Custom Build - s550 HexaCopter

I plan to build this 550-sized Hexa-Copter as my first custom build.

Frame s550 Hexacopter  (with up-swept arms)
Motors x6 EMax MT-2216 810kv (3cw/3ccw with bolt-on PropAdapters)
Props 10 inch 1045 (12 included with 6 motors)
ESC x6 ZTW Spider 30amp SimonK 600Hz Opto
Bullet Connectors 3.5mm (x18 for ESCs)

Battery Glacier 14.8v 4s-6000mah 30c LiPo (comes with EC5 and 10awg)
BEC & PM Dual-Voltage (5.3v@3A / 12v@3A / 120A PowerModule)
Wiring for Battery, BEC, & PM : 10awg and EC5 Connectors

Flight Controller PixHawk PX4 v2.4.8 "Full-Size" w/ all ports & v3-mcu (2mb ok)
GR-BD GPS/ Compass Combo Module (uBlox Neo-M8N & HMC5883L compass - Black)
Telemetry Radio Set 3DR/SiK-915mhz 500mW (upgraded wattage)

Gimbal-3D Storm32 (180g)
Camera Xiaomi-Yi  1080p-60fps MP4-H.264 (Ambarella Image Processor)
FrSky X8R Receiver (with SBus & Telemetry)

I'm estimating it will weigh around 2100-2200grams
I would like a THR_MID around 500, and a 15 minute run time.
The max prop for this frame is 10inch. At 14.8v, these 2216 motors pull 15amps max each.

I'm less concerned about price, and more concerned with flexibility and dependability of this aircraft. I don't want to be "closed in" or limited. I will be using it to do general hobby LoS flying, Auto-Missions, Aerial Photography, and maybe some experimental stuff like LiDar-Lite.

A big thanks goes out to the pilots and builders over on RCGroups that helped me analyze my initial configuration and come up with this final parts-list. I'm ordering these parts now.