for example, bluegrass: Bron Y aur stomp, Classical: the rain song, blues: almost any song, rock a billy: boogie mama (in the whole lotta love medley on The Song Remains the Same), the list can go on
then there's the guys who just get unbelievably good at one or two techniques, aka Satriani: legato, maybe tapping, Vai: tapping, Yngwie: appregios, balls out shredding
then theres also the guys who just re-invent guitarplaying and do something completely new, which is what basically every person here hopes to do someday
I try to learn as many styles as possible
I don't know if this helps at all, but it give you something to think about what dirrection you want to go in
Alas Gandalf lives, Middle Earth is again safe...