I forget where in Slow Travel I discovered a reference to the above url but I followed it up and I do think it's extremely good. Hence I felt it could be displayed more prominently here.

I consider myself intermediate but I tried the 'inspired beginners' first as a sort of intro and am now looking at/listening to the first two podcasts of the intermediate series.

Thanks, David. Just so it'll be easier to access, here's a link to notesinspanish.com.