Phew......there are just too many to mention these days ....with the explosion of 'Amature' and 'Home-made' porn there are just soooooooo many amazing 'Porn' stars out there !!
Having said that 'Silvia Saint' was always a fave of mine - http://www.silviasaint.com/en?s=1
And I have alot of respect for 'Rocco Siffredi' - He is a Legend ! - http://www.roccosiffredi.com/en?s=1