To be honest..., a more affordable unit I think the SD-1 is great, but why not make a unit that is scaled down (that sequences), and still has those great Ketron sounds. Like what Korg did with the Triton. They released the LE which was scaled down, and more affordable to those of us with thin pockets Yamaha does it as well with the PSR's. There's a whole line up.

Squeak
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.