I don't think the premise lends itself to what most whedon fans love about him. Even though many of his shows have a darkness to them, it never felt hopeless and unhappy. Also, having a character that for the most part isn't a consistent personality week to week is offputting.
This doesn't fell like a joss whedon show.
Also, i never cared for Eliza Dushku
"I’ve followed every part of the Bible! Even the parts that contradict the other parts" - Ned Flanders
"Say Hello... to the Bad Guy" - Razor Ramon
"They say that people mellow with age. However, the older I get, the less patience I have with cleverness." - Thomas Sowell