I wouldn't really count on the GW-8 performing like a "workstation". Sound wise this new model is going to be interesting now that it's using Sonic Cell, and Fantom X sounds. However..., Roland has still crippled this unit in the recording area. No user created styles.., limited post editing of user songs.., and the MFX are only there for real-time play. The MFX cannot be recorded into the sequencer.

Personally I think Roland is a bit loose with the term Workstation. You're going to get much better "internal" recording options on the E series. I don't think the GW line is an any way a "Workstation". It's more of a performance arranger IMO.
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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.