Right now another little 50w box mod being looked at seriously as it is proving itself daily is the iSmoka Eleaf iStick 50w
with a 4400mah battery inside. The little bugger keeps going all week long before you need to recharge it! It also runs the latest sub ohm tanks without a problem. They sell out as fast as they come in however!
For a small wooden box mod with a 3 click not 5 click on/off button the Luxyoun Box Mod
comes in four flavors of 30w, 50w, 100w, and 150w. I run an Atlantis on the 150w version at 30w all the time. That takes a single high drain 18650 battery you can charge in it by usb cable or remove if you want for a separate charger giving that one the replaceable battery option. Runs about $10 more on average to the iStick full kit. The fire on both that and the iStick 50w mods is smooth while the ZNA 50 will hear a pop from the same tank when that takes a little longer.
That's not a Vamo type but a shorter metal (stainless/aluminum) with two types of battery tubes(18500, 18650) but reliable other then the small annoyance at a higher price then the other two however. Another type of mod made with a tuff vinyl casing you can drop and not worry about is the DovPo E-LVT 2.0
30w. It's not quite the same box shape but no Vamo either. When you hold down both arrow up and down wattage buttons and hit the fire button the led flashlight at the bottom of that one comes on for those out at night vaping sessions.