We will release specs and features of the new instrument soon. It will be shown to the trade in January 2002 at the Winter NAMM show. As you already surmised, it will be a replacement for the WK6/WK8 series with many new features never before seen of instruments of this type.
For more info about the PRO MEGA 3, please see my reply to the topic PRO MEGA 3!!
Chris Anthony
Generalmusic S.p.A