If it's any help, I've just restarted learning and chose 'Pianoforall'. I did quite a bit of research before choosing this one.
It has its own web site and you can see many, many recommendations for the lessons on youtube.
It costs, at the moment, $39.95, to download, $10 more for a disc.
It consists of 9/10 books in pdf format. The pdfs have video and sound files built into them.
If you have a tablet then there are instructions on the web site to advise you what apps will help you play them.
Robin Hall, the author, is very quick to respond to questions via email.
It takes you from basic principles to about intermediate level.
It covers blues, jazz, ballads and a bit of classics.
I've printed the first book and book nine which deals with practice (scales and arpeggios, etc.)
I've loaded the pdfs into an Android tablet with the app and they play just fine.
I believe it one of the best value courses available.