The way that P90s and humbuckers sound depends upon how you amplify them. I employ P90s for a very specific quality of overdrive through valve amplification set for Crunch rather than mega gain. Everything else is in the hands of the individual player.
Esperanza Spalding - "You have to have something to say; chops don't matter. If you have nothing to say on your instrument, I'll just go home and listen to albums with people better than you."