I decided on the Korg Minikey Air 61 from Sweetwater. At 5.5 X 33 in, I can place it under my SD40 and still have room for my other gear.

Thanks to Chris for the suggestion
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pa4X 76 ,SX900, Audya 76,Yamaha S970 , vArranger, Hammond SK1, Ketron SD40, Centerpoint Space Station, Bose compact