Honestly, I haven't seen very many Revan/Canderous stories at all, and the only decent Revan/Canderous fic that I've seen is winterfox's The Shadows You Cast (http://www.fanfiction.net/s/1684792/1/). If you read her story, be sure to check out her alternate chapters on her lj page for some Canderous/Revan goodness.
There is also the Onderon (http://kotorfanmedia.com/forums/viewtopic.php?t=733&start=0) and Beyond Onderon (http://kotorfanmedia.com/jekkjekktarr/viewtopic.php?id=43) roleplay thread (written by some of the best writers in the fandom). The Revan /Canderous stuff in the first Onderon thread doesn't start until close to the end of the game (http://kotorfanmedia.com/forums/viewtopic.php?t=733&postdays=0&postorder=asc&start=1110) (about halfway down the page starting with my post). The second game which is a sequel to the first is definitely heading in a very Canderous/Revan direction...
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There is also the Onderon (http://kotorfanmedia.com/forums/viewtopic.php?t=733&start=0) and Beyond Onderon (http://kotorfanmedia.com/jekkjekktarr/viewtopic.php?id=43) roleplay thread (written by some of the best writers in the fandom). The Revan /Canderous stuff in the first Onderon thread doesn't start until close to the end of the game (http://kotorfanmedia.com/forums/viewtopic.php?t=733&postdays=0&postorder=asc&start=1110) (about halfway down the page starting with my post). The second game which is a sequel to the first is definitely heading in a very Canderous/Revan direction...