I have:
1990 - Colm Wilkinson (3-track demo)
1990 - Colm Wilkinson
1994 - Anthony Warlow
1997 - Robert Cuccioli
1999 - Ethan Freeman
2001 - David Hasselhoff (video)
2001 - Raphael
2002 - Thomas Borchert
2003 - Takeshi Kaga (in the mail)
2005 - Werner Auer (in the mail)
2006 - Rob Evan
also, I'm might get the Spanish DVD with Paco Arrojo soon.