I invented a system to directly translate Wh40k weapon stats into E: A.
It can be found here together with a table for all Ork weapons currently existing in Wh40k:
http://www.tacticalwargames.net/cgi-bin....t=11378
Perhabs this file helps in the development of new Ork armylists
You will note that there are no stats fo the Shokk Attack gun. This is because i don't own the new Codex yet.