Jim,
the RP-800 looks interesting; here in Italy it should be available around mid-December. If I have the opportunity to play one, I will let you know.
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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.