Yes...I'm having a lot of fun!!!  I used to write the settings down...to much confusion.  I was starting to get a headache.  Now...just plug in, dail in and play
Cleans are rich, warm and chimey...overdrive tones are smooth and buttery. Heck I think you could dail in any tone you like.  Just need to spend some time fooling around with it.   I'm still messing with the knobs and switches.
I have a Tim, Lovepedal Eternity, AC Boost and Crunch Box.  They all sound very good through the OT.
As a starting point I used the settings that spm post awhile back.

Overtone settings---> 
Vol = 5
Bright = off
Deep = off  ....  1:20 = ON 
Jazz/Rock = Rock
Treble = 5
Middle = 5
Bass= 5
Level= 5
Ratio= 5
Master= 2,5
Presence= 3

I don't know what the 1:20=ON is...spm?
This one posted by Marin...great tone at low volume.

vol: 5
rock engaged
treble 2
mid 5
bass 5
overdrive 2
ratio 5
master 1
presence 5
PAB engaged.

Thanks ya'll great starting points!!!
I haven't had the chance to really crank her up yet...maybe this week sometime.  She's gonna sound just awesome!!!

Cool brah.  As for me it may be a looong time 'til I can afford one - and the Overtone Special's  the one I want.  Just sent in my $400 deposit for my daughters tuition for next year.  Hopefully Nik and Ceriatone will still be around when my kids graduate from college.       

The BOR works better with the Overtone than any amp I've tried it with. I also have an AC Booster and I like the BOR much better.