Donny
I consider the drawbar feature on the G70 to be as good as any, and better than most arrangers. However, having had several B-3's as my primary instrument since 1964, I am not willing to settle for anything less than the best facsimile, and especially Leslie sim I can find, short of the real thing. The Electro through a regular amp is it. The Hammond XK through a Leslie may edge it out, but I have more than enough to carry now. It is that wow factor you get when the rotor is accelerating or slowing, and getting those compliments from other band members as to authenticity. I chose the G70, inspite of it's size, for the quality, and I am glad I did, so what is twenty more pounds to have, for me, the best sound I can muster.

Thanks for asking.
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pa4X 76 ,SX900, Audya 76,Yamaha S970 , vArranger, Hammond SK1, Ketron SD40, Centerpoint Space Station, Bose compact