Both are incredible guitarists in their own right, and both have written some of the most memorable lead lines of the last 20 years. I have a hard time accepting alot of peoples comments about how Slash is one style or one generic sound. Listen to Double Talking Jive, he shows so many different elements of playing in that song alone. He shifts from a bluesy raw sound, to a latin influenced solo, and ends with a fingerpicked outro on classical guitar.