First, @simos, looks like that was your first post, welcome 
Second, damn, some very nice suggestions!
It’s a well known caveat that in order to have any hope of building a strong community you need to lower the bar to entry as far as you can, and then lower it some more. Making it easy for people to self-serve and self-start is super important.
What you’ve got there are three crackin’ places for Juju developers to start writing more tutorials 
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@simonrichardson all of those tutorials are definitely an improvement, for sure, the more that come in the better of course. @simos there’s a nice tutorial on how to contribute a tutorial if you have time for any of your ideas 
I don’t know much Juju but if you come up with something I’d be very happy to kick the tyres and promote it with you?
It seems what’s missing, and I think this runs parallel to what @Hybrid512 is saying, is a proper ‘on-boarding’ / ‘on-ramp’ experience. One that takes users through a super simple journey, through the most basics examples, and explains the basics in industry standard terms and the benefits in comparison to ‘things you might have heard of’.
What would you folks say would need to be incorporated into that on-ramp for new users?