From the SVB thread on UkVapers:
http://ukvapers.org/Thread-SVB-Mods-DNA-30-DNA-40-SX-350-Mods?highlight=svb
DNA 30 without battery £167 Delivered UK or £173 ROW
SX 60 Watt without battery (when boards are in stock) £170 Delivered UK or £176 ROW
DNA 40 without battery £170 Delivered UK or £176 ROW
Storm Trooper in SX or DNA 40 (2 a month only) limited. £200 (UK Only as well)
Not 100% sure that's for dual 18650, but looking at the size of the boxes...
http://ukvapers.org/Thread-SVB-Mods-DNA-30-DNA-40-SX-350-Mods?highlight=svb
DNA 30 without battery £167 Delivered UK or £173 ROW
SX 60 Watt without battery (when boards are in stock) £170 Delivered UK or £176 ROW
DNA 40 without battery £170 Delivered UK or £176 ROW
Storm Trooper in SX or DNA 40 (2 a month only) limited. £200 (UK Only as well)
Not 100% sure that's for dual 18650, but looking at the size of the boxes...