Some guitarists had already tinkered with systems but here it is more a craft is the professional.
No more weight.
Very easy to use.
Wide range of settings.
Setting the intonation high speed.
For sound, nothing to add is a Les Paul.
Finally you play an instrument perfectly tuned and adjusted (adjustment of intonation).
In addition, you have instant access to all styles of tuning.
Everything is great.
In addition it is a model collector.