My advice is to go with the ssv.. Unless you are obsessed with Bags.. and Arizer chips (just kidding i dont have read any chippin reports on the extreme Q
)
How do you plan on using your vaporizer. Whip,direct draw, bong , ?
I have a DBV and I have tested the SSV and there is not much difference on the hands free mod but you can get more air control with the ssv spherical.. but have to hold it all the time..
So if I was you i would probably pump up some nice DBV with some of 7th floor top notch ash catchers percs.. ,glycerine cooling or i would go with the LSV that can be found on the similar SSV price range on e-bay with warranty..
And if there is a vaporizer knock down.. Can you imagine what will happen with the Extreme Q or many other if i hit them with my DBV...
.. You can kill a man and defend your life with the DBV ...