A good friend of mine has owned a G70 for many years now and personally I never warmed to it. And that is from a person who did nothing but program for days on end on the G800 etc. in the nineties !
However I think that Most top arranger keyboards do not fully come alive unless the player also starts programming and tweaking. I mean guys like Peter Baartmans can make any keyboard sing, even the cheapest Casio, but for us mortals we are limited by both our musical technique and by technical stuff ( tweaking etc). So all in all I think the G70 can sound terrific.
I concur though with what Ian remarked. This started as a tread about the new Roland and if they want to stay with it they have to improve on the boards that they released ten years ago, no matter what price-tag goes with it.

regards,
John Smies