oh hey, thought of something else. something HUGE. the way i hold the pick and play the string with it makes all the difference in the world as far as tone goes. my fav way of holding the pick (i use heavy gauge pick) is i squeeze the tip of it with my pointer finger and thumb leaving about 1/8 to 1/4 of an inch of pick sticking out depending on whether or not, and how much i want to touch the string(s) with my thumb. experimenting with 'thumb squeels' can really help your tone. also, on the pick hand side of things, where you play the strings in relation to the pickups also makes a big difference in the warmth of the tone. anyway, goodluck with it man, im still tryin to figure it out myself ;D