How is angular-cli different from angular's quick start or a seed project setup ?
The CLI is just a command line interface that makes scaffolding and generating a project a lot easier. Adding new components, routes, services, etc... can be done with simple commands. Angular seed gives you a skeleton that you can start your app with, and the quick start provides a super barebones starting point with just a single AppComponent if I'm not mistaken.
I personally enjoy using the CLI and haven't tried the seed myself. If you're interested in how I set up this app, I wrote a blog post (http://houssein.me/angular2-hacker-news) detailing each and every step using the CLI so I hope it helps :) (this was done a few months ago so the progressive elements such as the Service Worker and manifest isn't included)
Btw, I like the way blog UI and its simplicity and code-display friendly-ness, what tool/app you use for the blog? (if you don't mind sharing the details)
I tried to keep things as minimal as possible so I'm glad you like it. For the code highlighting, I'm using Prism (http://prismjs.com/index.html)
That blog post is very good BTW. I like how it goes through all of the intermediate steps that any developer would do to make a PoC.
And thank you, I appreciate it! I tried my best to flush out every single step I had to go through while building the app so I'm glad you liked it.