Yeah I have one.
Pros
- Touch button! It's easy on the fingers

- Very sturdy construction
- Price
- Customizable appearance
Cons
- Kind of utilitarian and bulky in design
- Touch button! Sometimes won't fire if your hands are very dry. I've had it fire in pocket too
- Voltage is adjusted with mini screwdriver
- Voltage not regulated (will drop as battery dies)
- No drip cup