I just got a hold of all the OTS styles that the CVP209 has that the PSR2000 doesn't have. The OTS settings are awesome. I'll try to post them to egroups.
If you use my system of having a plastic container of various colored floppies velcroed to the side of your PSR2000, you can have access to these styles in seconds. After the gig, you can just pull off the container, close the lid, and put it in your gig bag. It's the next best thing to having a hard drive.