fx aid has decent bit reduction - with the xl there's a dedicated cv input for it and it's available over all algorithms - some of which are distortion type things - personally I'd go with that and beads - leaves more space for important things like utilities then

"some of the best base-level info to remember can be found in Jim's sigfile" @Lugia

Utility modules are the dull polish that makes the shiny modules actually shine!!!

sound sources < sound modifiers < modulation sources < utilities