Appropriate for the software forum, because about the use of no software...
Have started to practice with some brainless 3 chord mp3 on one channel, and my guitar on another channel, dry with no nothing applied. Makes me naked to the world and to truth.
Found that practice with no effects really really highlights limitations in ability. Easy to acid square wave my signal before a flange and delay into obscurity, but practicing dry really is a painful, objective way to force you to get your act together.
Sounds terrible from here, but making progress without hiding behind a chain of vst crutches.
John