the nice thing about ESP is that all the models are of equal quality and playability as long as they are of the same series.
in my opinion they rank like this,
custom shop > Navigator / *original / *Usa > ......MORE »
rhythm - sounds like an automated wah, with possibly a hint of tremolo / vibe effect also.
whole lot going on there,
to me it sound like a short delay, strong on the first repeat, then droping off - volume at mid......MORE »