What electronic cigs have you used for a mid priced unit & what if any manufacturer would you recommend or stay away from?
A Joye 510 PV (also goes by Titan or Dura) is about the best bang for the buck. Cheap and easy to find parts, accessories, and batteries for.
MATH AND ALCOHOL DON'T MIX! Please, don't drink and derive. Mathematicians Against Drunk Deriving