Let's just say I'm in the market for a GOOD arranger.., and I'm exploring ALL my options currently

The Audya's missing some key features that (I) feel a TOTL arranger should have (especially in the this price point).

Right now the Korg PA2X is on my list (and drum roll..., Ian's going to mess hit pants) even the Tyros 3 is a contender on my list. I'd really love to know what and IF Roland has anything for the future. I like the G-70.., but even it's missing a few things that (for my needs) would be an issue.
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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.