I agree with DonM and Fran. Slim pickins for a good 76er in the $1000 price range. In the $1,000 price range for a NEW model gets you a 61 key model.

Roland GW-8
Roland Prelude
Korg PA-50
Yamaha PSR-S700

A good used E-60 would probably be the way to go.
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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.