The T-Priv by Smoktech! This mod not only looks incredibly stylish with a decal-like design that lights up when firing the device, it also performs well and is chock full of all the standards you can expect of a quality device.
The T-Priv features up to 220W of power, with temperature control features and their famous side-firing button. The T-Priv also requires two 18650 batteries, offering up to 6000mAh of battery life.
If you're comparing the T-Priv to the G-Priv or even the Alien, the main differences you can expect are going to be wattage limit an aesthetics, as they're very similar in terms of their features and overall performance/reliability. A great device to pick up, especially if you enjoy some very eye catching LED backlights!