lukitoh,
I think some of those demos are impressive. The BlowAlto surprised me

It sounds really good. My thing is I just can't seem to fully grasp the (bang for the buck concept) when looking at the EXR-7. This board cost's $1,000. Granted it has 76 keys, it does not have a 16 track sequencer with the options you'd find on a PSR-1500, it does not record or edit styles (from what I was told and read), it has no voice editing (not even as basic as the PSR's), even the screen used is a simple back lit LCD. I just think Roland set the price way too high on this unit. I think the price should have been right along the lines of the new Roland GW-7.
Squeak
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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.