We practice in my guitar player's basement so I don't really get any full-volume alone time. Occasionally I bring the pedal board home and plug it into my behringer bass pod clone. I'll dial up a clean SS amp model, add a touch of ambient reverb to get some room sound, then **** around with the dirt settings. Surprisingly, the new settings translate really well to the full rig high volume band situation.
But yeah, I can drive myself nuts tweaking dirt settings. I've got 4 dirt pedals now, trying to cut it down but not having much luck. When I was using the ODB3 it was balls to the wall full gain gnarliness, these days I'm trying to learn to turn down the gain knob a bit.
Things changed when I got the ATK, I kept kicking on the dirt and finding the tone to be noticeably worse, more compressed, less low end, less note definition, etc. So I'm finding that lower gain settings work better with the active preamp. No sense paying for an active bass and killing all of that good tone with cheap dirt pedals cranked to full distortion.
I'm making progress, I think. I really like the OD setting on the Ibanez PD7, and I'm finding good low-gain tones with the US RAT2 that I got a couple of weeks ago...