If you can gather up a little more money the XP-60 is well worth it! I used to own an XP-60. One hell of a sequencer on that thing... It has sliders, good sounds, good effects, light weight. semi-weighted keys, voice memory can be expanded (I think up to 4 cards). It's a great synth. I'd take it over the XP-50 any day.

Squeak
_________________________
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.