I wrote an article for Dignitas that can be found here. Enjoy!
(tl;dr is basically, if you're not good at ADC or, by extension, you're not good enough at ADC to win a really tough matchup, going Dshield will help you survive laning really well and you would lose a lot of CS anyway.)
I should have a few more articles going up on Dignitas in the next few days, I'll probably do individual posts here for each of them.
Putting all my content on my personal domain is something I wanna do still, so it'll happen maybe eventually.
And of course I've been keeping my Sona guide up-to-date.