I am real excited that Ngeth is looking at poisons with plans for a long overdue revamp. It is still early in the process so I don't expect anything soon but some of the ideas they are discussing are pretty darn kewl. There is a thread on Safehouse asking for input, its pretty long right now but if anyone is interested in checking out some potential changes or adding to the discussion here is the link:
http://www.thesafehouse.org/forums/showthread.php?t=33270
  It will be along the lines of what they did for alchemy and we may even be able to make some poisons that will be usable by other classes like maybe a poison the MA can use to add argo to his blade. Nothing is set in stone yet but poisons we can effectively use, sell, and this may even make us more valuable in a group or raid situation!!