Most people here will recommend taking lessons. This site has over 2500 lessons, but it's always easier to be shown things personally.
Another good site for chord and scale reference is right here. It was started by a member of the Dream Theater forum.
"If one has realized a truth, that truth is valueless so long as there is lacking the indomitable will to turn this realization into action!"
-A.H.
-A.H.