Larry,
MANY thanks for sharing the excellent tip that the intro/ending variation type 'selection' can be saved within the style. This is VERY USEFUL & HELPFUL information.
Linking/storing OTS within a style was a good move. I try to go the customized OTS route whenever possible too, but there are some songs I perform which require more than 4 registrations or parameter setting not supported by OTS.
Btw, you can find out exactly WHICH PSR2000 parameter settings are supported by OTS vs Registration Memory on pages 25 thru 30 of the PSR2000/1000 data list manual.

In spite of all the latest developments (style sharing restrictions, no flash rom), I still like my PSR2000 a lot.
- Scott
http://scottyee