at the end makes most sense - "if you have to ask the price, you can't afford it!!" kind of idea - hopefully all 'commercial' modules will then get a price tag and those that don't might be "Dave's homebrew triple vca with built in coffee maker, or whatever" which no one but Dave cares about...

"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