There are writers out there who say they're writing a second series, and then you pick it up and it feels exactly the same, only the lead character is blonde instead of brunette.
It's true that 'Lords of the Sith' has a lesbian character. Her orientation is a characteristic in the same way as is her brunette hair. It just fit with my conception of her.
When I first met my agent, I said, If something comes up and it fits my age range and personality, I would like you to send me up for it, even if it specifies blonde or brunette.