Thought I'd add some pics of my latest install in the 417.
It's not the smallest of equipment, but think I've done a decent enough job of keeping it tidy
Servo - Spektrum S6040
Receiver - Spektrum Micro SR3500
ESC - Castle Mamba Max Pro (de-cased
Motor - SP V2 3.5T
PT - MRT Custom iPT
Also have a separate BEC (Castle CC BEC) circuit in there (it's the black heatshrinked device between ESC and reciver, hence the reciever wire for the ESC being heatshrinked (middle power wire isn't needed). I guess I could just cut the plug off and poke the wire in the plug, but if ever there's an issues with the BEC and it needs taking out, want to retain the ability to simply plug the power wire back in!