There are many good lessons here to help you figure this out. I play metal also, you can check my lessons on my site - everything is based in "A" off your (minor) pentatonic scale. I have tabs,midi's and wav files of me playing the licks also. May help you get a grip on the leads.
-Bob
http://guitar-pedal.com
[Edited by N4Player on 12-31-2002 at 02:15 AM]
...another toy, to help destroy, the elder race of man