Even if he doesn't get back to slam-winning form, it'd be nice to see him on tour beating some top players and maybe winning a few titles. (But whether or not he'd be content with "just" that is another story.)
Unless Guga changed his mind, he wants to be back in top 10.
If Guga can get rid of his injury, then he has still everything to win tournaments and beat the top players.
It's good to hear that he still wants to try.
Federer: Lord of the Strings (quote borrowed from another MTF-poster)
Safin: His Royal Dork-ness
Hewitt: Mowing a lawn near you
Kuerten: tennis in the shape of a heart
Ollie Rochus: the lil'man that broke Karlovic