If it's an arranger keyboard you're talking about, then I'd want the weight less than 30 lbs, great piano, organ, guitar, strings and sax sounds, exceptional 3rd party support, built in speakers, 5 octave light action keybed, easy to use/learn rock solid reliable OS, a nice basic built in 16 track sequencer with audio to USB capability, and, last but certainly not least, great accompaniment styles with easy editing.

I don't need sampling, or sample importation...just basic sound editing will do fine.

Mmmmm...so far, I've just described my PSR-S910.
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.