Geez.., bugs or not.., ANY keyboard that requires the user to reboot several times is a SERIOUS issue. It may not be a bug per say.., but sure as hell an issue that could cause problems for the live musician.

Styles.., sounds, software and UI are always going to be subjective.., but having a SOLID BOOT UP/POWER UP is a MUST.
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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.