There's a fantastic author, phair, who has some amazing fiction that has some uber conqueror fic as well.
Coward - Uber X has been sentenced to imprisonent on a hellish planet. Her tentmate Uber-G, is a young woman born on the prison planet, who knows no other life. Uber-X is not so friendly in the beginning.
To the Manor Sold - Uber-X's brother steals a slave and sells her. Uber-G is a broken slave, a 'good dog' in her own words. This story is the first in a trilogy.
First Seven then Eight - Uber-X is out for revenge on her ex-husband, by capturing his new wife. Uber-G tries to survive the experience.
These are the Conq. fics, but take the time to trawl through the site. Phair is an amazing writer, and these stories will definitely stay with you.
Otter