Have a look on European sites, as they have been doing it for years, (Pretty much every arranger has somebody making a setup to convert them into organ type set-ups. (Currently the T3 is the most popular followed by the Korg PA2x)
http://www.youtube.com/watch?v=hGz_NJTKTAg

Bill
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English Riviera:
Live entertainment, Real Ale, Great Scenery, Great Beaches, why would anyone want to live anywhere else (I�m definitely staying put).