I have expanded the PSR-2000 Users' Site quite a bit. There are completely new sections on Styles and Music Tips and several expansions in the other sections. My thanks to Richard Peck, who has contributed several lessons, and to Scotty Yee, Don Mason, and Eddie (BtweenGiggs) for their contributions. Here is the link:
http://pages.prodigy.net/watersj/Yamaha2K/