So I just pre-ordered this on the xbox one, and it installed the game in only a couple minutes, sayings its 28.1 GBs. So is this all I need to do, until Nov 10th at 12:01am? Just wondering if theres anything else I need to download or install. I'm not going to be lining up at a store at midnight this time around lol want to play right away.

You have to turn on the Xbox One about a few days before November 10 so Fallout 4 can be preloaded. There might be a couple other steps required to start the preload.

Yeah, don't think it's done. Pre-load is usually a week (max) before release.

As long as you're connected it should download quietly in the background once it is ready to go.

My internet must be crap, when I first loaded up ESO I was prompted to DL an update 20 odd gigs, 24 I think and it took like 4 hours.

Given how rediculously easy its been proven to be to jailbreak the XB ones hard drive, I kind of doubt you actualy DLed the full game already.
(the lawyers would be swatting an endless stream of You tube playthroughs videos already) what you probably DLed was just a file that uncompresed to be a space holder on your harddrive.

I pre ordered it months ago and the file size was a hundred or so MB. A couple of weeks ago I turned my XB1 on and then it became 28.1GB, the actual size of the game is 28.12. I also got WWE 2K16 the other day, it pre downloaded, it comes out Oct 27 and my game has 36.8GB installed but the actual size of the game is 36.38GB or something like that so my theory is that the way pre download works is that it installs most of the game but leaves a few MB off so you can't play it until release. XB1 games pre downloads games earlier than most platforms like PS4 and PC.