Didn't see this posted yet, but you can sign up for a free PS2 demo of Hot Shots Tennis at http://www.us.playstation.com/HotSh...U_HotShotTns_Prel_PS2_DNW_001_HotShotTnsOGS_H, click on the tennis ball near the smiley face in the middle of the screen.
Or directly here: https://secureus.playstation.com/registration/skins/hstennis/default.aspx
Or directly here: https://secureus.playstation.com/registration/skins/hstennis/default.aspx