I just got a Maxon OD808 for my RK 2 and it definitely sounds better on CH 4 (i.e. for a metal sound). I put the Level at 7-9 o'clock, the Balance at 5 (maxed), and the Tone at 7 (all the way down). It made it sound less muddy, palm mutes were tighter, and you can kick the gain up a notch with...