Mike,
the Roland VA 76 (as well as the older G 1000) has semi-weighted keys. As far as I know, no arranger has full weighted keys.
Regards,
Andrea
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Korg Kronos 61 and PA3X-Pro76, Roland G-70, BK7-m and Integra 7, Casio PX-5S, Fender Stratocaster with Fralin pickups, Fender Stratocaster with Kinman pickups, vintage Gibson SG standard.