Never used this bit of the forum as I've never had a guitar lesson. I do now teach guitar (in my own bumbling way).
I have recently been following Marty Schwartzs free email course (soloing). It's brilliant. I love the laidback easy way he explains and demonstrates the interconnectivity of scales.
Stuff I took years to work out (by ear) and couldn't really connect up, he solved so many of my little hang-ups in just the first two 10min videos.
I have deliberately avoided learning formally as I'm an artist and have used the guitar to write music and create my own way/style. However, i now realise how much i've been missing by not having a few simple details.
This guy is a good teacher, even by youtube video.
Worth checking out...but I guess you guys probably already know all about him?