I say just give them actual faces and be done with it. If Revan has no face, no lightsaber, and no appearance whatsoever, then there was no point in saying that he was light-sided or male, nor would there be any point in the player choosing what he or she did previously.
"There is something going on in time and space, and beyond time and space, which, whether we like it or not, spells duty." -Winston Churchill
"For of all sad words of tongue or pen, The saddest are these: 'It might have been!'" -John Whittier
"Apathy is death." -Kreia