well, I can't speak for you but, the Pico just never fit 
MY HAND properly 
 
  
 
I really like it, size, fit, shape, features... but !
now the Smart Box is ever so different - it does not, well it, ah, - it fits my hand... 
 
not had much time with it but I kinda like it...
right now I am focusing my attention to the AUTO OUTPUT of the device
it's weird-no screen so ya don't see battery life; your Ω; what watts its putting out
but once I get the IDEAL Coil dialed in, I'm guessin it will be cool  " 
AUTO COOL " 
 
- a .5Ω is way to hot for me
- 1.25Ω seems on the cold side
- .85Ω is just about right (I think)
- gonna try a .75Ω here soon
it's funny to have the Smart Box in one hand, the TC100w in the other 
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 View attachment 633991
 