wadeorz is it possible to use one [poly_low] for on messages and one for off (i'm guessing not) or how can I hook up/route the [poly_low] object to the faders so that the first bang on a channel is ON and the seccond OFF?

your guess is correct, but it's quite simple with

and [route], see attached

if for some reason you have an old pd that doesn't have , you could in this patch use [pack f f] and "$2 $1"

http://www.pdpatchrepo.info/hurleur/saviour2.pd

what would you define as an"undefined execution order?"

http://crca.ucsd.edu/~msp/Pd_documentation/x2.htm#s3.3

Problems can arise when a single outlet is connected (either directly or through arbitrarily long chains of message passing) to different inlets of a single object. In this case it is indeterminate which order the two inlets will receive their messages.

...eh, right. buggy then?

say I wanted to make a switch to reset in case of noise/bugs whatever.

would the safest thing be to overwrite all the arrays to 0?

Thanks again for all your wonderful help!