I got the Devo 7 controller. I guess the 7E is a little smaller? Not sure, but I don't have any regrets with my 7. I also changed the motors to the 1806-2 X 2300KV. Don't ask why, everyone else was doing it and I thought it a good idea to follow suite. FC should definitely be the CC3D, apparently it's better than the KK2.1.5.

Just a note, it's taking MyRCMart longer and longer to ship out their quads. I think I had to wait about 12 days before they shipped mine, but it arrived only four days after. Some people now are waiting 2+ weeks before they get real tracking information.

Regarding the charger, it's a good thing you reminded me, I forgot to add that to the cost. I got mine off Amazon, it's the SkyRC iMax B6 - if you get anything by SkyRC make sure you get the serial code on the back to verify it's genuine. Clones are iffier quality and you can really screw things up if they fail. (Battery explosions, etc). I paid $32.88 for mine at the time. Mine did NOT come with a power plug, however I had one at home that works fine. Output is 12V @ 1.5A. I forgot to mention it as a cost, since I had gift cards to pay for it (ha)

If you don't have something that will absolutely work, you can buy this that people have confirmed is compatible. It's only $7.95.

I got the PDB to help reduce weight by getting rid of a lot of the wiring. Also the PDB has integrated LED's on them, which means I can save more weight. It adds a lot of flexibility for future add-ons, and will be a good test for my soldering skills, of which I have none. Since I primarily fly with a heavier gopro, shaving as much weight off as I can is important to increase my flight times. Also it's just cleaner looking (not really necessary anymore since I have the reflectors installed)

This is the one I got with mine from amazon link