I'm with George, last Rock in Rio concert he KICKED ALL other players ASSES in tone and playing, BY A HUGE margin.
I'm talking about guys like Murray, Smith, Hammet to name a few. No one came even close to his tone and stood even more far from his playing at that night...
Dirt is one of the best albuns from the 90's (paired with RATM debut album) and I really dig that chunky middy tone (was it the shiva, fish, modded 2204??) ... I dig his tone even more now with those friedman amps (he used 2 Brown Eyes named "MAD" and "PISSED" not sure about the power though).
Can't wait to hear his sig amp
About the grunge guys, I think Mike McCready had a nice metal edge to his sound (that he kinda lost with the passing years) and that is noticeable in tunes like even flow (droped D), Porch, Luking... even prior PJ at Temple of the dog album.... Old soundgarden was very metal-ish too.... But yes, no one comes close do Jerry at this matter.