Great find, Morten!

The RS-5 does look a lot like an XP-10 and a bit like an XP-30 as well. The list of multi-effects is identical to the XP/JV synths, but with two new effects added (borrowed from the Groove gear, I think). The Lo-fi and Slicer effects were about the most useful "new" effects on a JX-305 I auditioned several years ago.

Still waiting for the new workstations...