After owning a few simpler & smaller mod boxes I thought I'd get a bit more serious and after checking out reviews went for this.
I'm so glad that I did! This thing seems well designed, ruggedly made and has enough easy to use settings to keep anybody happy. I enjoy the TCR mode for my zeus rta for a long cool draw and VW mode for my smaller all day tanks. The swappable battery (either 21700 or 18650) also means it's always good to go without waiting & charging for hours.
This site/shop was a great find too in a minefield of websites it stood out with great prices a nice variety of stock, good descriptions, easy to navigate page and 1st class service.