http://sports.espn.go.com/espn/print?id=1872892&type=story
Hewitt used Super RD-Tour (1996) instead of RDX 500.
Sampras, Philippoussis refused to use paint job.
Agassi indeed used Radical.
Sharapova used Triple Threat Hornet with paintjob.
Safin used PC600 while Kuerten used PT630, both with paintjob.