I'm a 16 year old (soon to become) guitarist from Norway. I started playing the acoustic guitar when I where 13, and picked up the electric guitar about two years ago (and have been playing it non-stop since). I'm into most genres of music (but preferably not the heaviest of the heavy though). Because I basically think a lot of todays "radio-pop-music" is no good ("lady gaga-like"), I use to turn to the music in the 60's-90's such as Dire Straits GnR, Rainbow, Dio, ACDC and well... the list is long!
I have been looking a lot at different lessons by now, and I must say that I am really amazed how good the quality of the lessons really, even though I may point out that I believe some of the lessons are to short to be called a lesson (but very few). There are a lot out there to be learned right away! :)
Also, before I signed up I went over to the song section to take a quick look. At first I thought "well well, a couple of songs in 12 years, thats not too impressive" (that was what I thought :o ), and however I would not sign up just because of the ability to learn a couple of songs. But then I saw the writing in the top of the page, and I where blown away by how quickly all those lessons where created... and in such a great quality! However I really believe that this site would benefit a lot by getting some of THE most elementary guitar-songs, such as canon-rock, sweet child o' mine, cliffs of dover etc (you have smoke on the water though). Also you should make many simple song lessons for the ones that has just bought their first guitar, such as ACDC (again, you do have smoke on the water, great! :D ).... and even though your series with artist studies are great, there are many (important) players not mentioned... But I know you are busy though, and you are doing an awesome job!
Also I found this course: http://www.guitartricks.com/course.php?input=10 anyone knows if this is a third lesson the the core learning system? This course has really a lot of what I need, and I would love to know if there where any courses like this too.
Anyhow, I'm off to practice some more lessons! :)