Too awe-inspiring for words... and there are vids for each one.
http://truefire.com/blog/gifted-guitarists/part-1/
http://truefire.com/blog/gifted-guitarists/part-2/
http://truefire.com/blog/gifted-guitarists/part-3/
http://truefire.com/blog/gifted-guitarists/part-4/
http://truefire.com/blog/gifted-guitarists/part-1/
http://truefire.com/blog/gifted-guitarists/part-2/
http://truefire.com/blog/gifted-guitarists/part-3/
http://truefire.com/blog/gifted-guitarists/part-4/