well, it is pluses and minuses with G70 comparing with VA-76 (from my perspective):

PRO

1. sounds -- on par with any other top arrangers, depends of personal taste. Not even comparable in quality with sounds of VA-76 (nevertheless -- the same sound "concept", completely another then e.g. Yamaha).

2. Keys -- better feel, about 2cm longer. Excellent (on par with PA1XPRO, may be even better -- not so sharp side edges of a keys).

3. controls -- there are simpler navigation, less menu browsing, drawbars, more buttons, better touch screen. Not comparable with VA-76.

4. Harmonizer+vocoder -- it is more useful than VaryPhrase engine.

5. Cover function.

6. Lyrics with chords extracted from MIDI files and songs score screens -- this is very, very cool.

7. Simplicity of effects tweaking: attention to mastering good overall mix.

8. USB-link and external memory in contemporary computer format (CompactFlash).

9. Simpler record function and better sequencer.

10. Better connectivity with audio environment (e.g. audio input).

11. D-beam effects as (rather weak) multipad substitute.

12. OTSs better then at VA-76 (when tweaked)

13. Music database is better

CONTRA

1. Too much tweaking before playing. This is threshold. Up to now I do not understand how to retain my tweaks (may be with computer use?) in memory to preserve factory pages layout (it is silly to double all factory presets with my individually tweaked ones!). There no tips and tricks in manual about it. Other arrangers was simply turn on (including VA-76).

2. Style section is bad: now it comparable with other arrangers but not winner, as in VA-76. In VA-76 there was 2 variations with 4 subvariations each -- with difference between this subvariations not less then between G70 variations -- 2x loss. 2 breaks greatly added with style morphing engine: I used one or several bars of Drums, Bass and Accompaniment parts from another styles as breaks and modifiers to style. In G70 we have 6 similar undistinguishable breaks (with added 2 intros) and 4 variations with similar arrangements (e.g. bass and rhythm guitar have same pattern in all 4 variations. It is sufficient for short song, not for long improvisation. Change to another style not applicable here -- it will be namely another style!

3. Styles sounds similar to CD, not similar to live band (as was with VA-76). Yes, now this is the same that we met in other arrangers. But it is "contra" feature for me.

4. In VA-76 it was huge amount of styles and songs in a ZIP-disc. I can't find this at G70. I have difficulties to get this from zip-drive to G70 (I have only one zip-drive at home -- in VA-76).

* * *

My previous setup was psr9000+VA-76: two very different instruments. Now it is psr9000+G70: two very similar instruments with similar style system, similar sound module, similar harmonizer concept. If it will be not psr9000 but Tyros, differences will be smaller (except loudspeakers and 76 keys). But I need no two clone arrangers! I need variety in arrangers. Cover function is not replacement to style morphing, USB is not replacement to excessive tweaking.

I'll retain G70 for a while. May be I simply not knowing what to do with this beast. May be somebody publish here tips and tricks how to tweak G70 to outperform VA-76 in style variety. May be I have subjective shift in my opinion, and other people changing theirs VA-76 to G70 without regret. At least this is keyboard with best keyborard feel at my home (i do not like weighted keyboards, though I trained to play with uprihgt piano. This change of keyboard type is relief like change typewriter keyboard to computer one).
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Roland G-70, Korg M3-73 with Radius, Roland Handsonic HPD-15