Reachin for the Skies..

I been playin guitar for a while an always use the blues scales for most of my lead playing even playin along with songs that arent blues i end up using that scale still sounds great too!!..so..because its a feelin i can utilise that scale to the max..ok...q...to become a better lead guitarist i gotta learn some other scales to improve my skills..what would they be!!..my fav leads i listen too are..Thin Lizzies "still in love with you''..Fleetwood Mac.."Im so afraid"...(blows me away every time i hear it(LIVE)..an of course Randy Rhoads.Mr Crowley..(Tribute)..theres my goals...