Here is a more comprehensive list of "defaults" configurations: https://github.com/mathiasbynens/dotfiles/blob/master/.osx
Second Mathias’ dotfiles! They are a great base, which I use since he first published them.
Homebrew and Homebresk Cask alone help to set up a couple of Macs for a team. And sure, you should first go through the other scripts and don't execute everything that you git pulled.
This is a great set of tools - many I've never heard of before! I might install Yosemite fresh to try them out...