Unfortunately, Kurzweil has no module, and the synthesizers are much too heavy for my taste. It's really a pity. But I'm going to try a PC-3 some time, just to see what I miss. But I won't accept that weight for my gigs.
About Yamaha modules - the latest one, Motif XS rack, is SO MUCH poorer than the Integra, there's just no comparison. The MoX had exactly the same soundset, poor string sections, poor artificial French horns etc., and no sample expandibility.