Check out some of my own free styles at http://www.svpworld.com/tools.htm
for the PSR730. You can also find lots of stuff at yamaha-psr-styles group with egroups, you need to join egroups and then join the list. There's also a yamaha-psr-songs list too.
Simon G.K. Williams
Creative Music & Multimediahttp://www.svpworld.com