Book 21 in the anita blake series is out this june "Dead Sexy" by Laurell k. Hamilton.
Book 10 in the Rachel Morgan series aka the hollows "A Perfect Blood" by Kim Harrison.
Book 3 in the alpha & omega series is out this march "Fair Game" by Patricia Briggs.
Timothy: are you watching "Lost Girl" on syfy? It strikes me as right down your alley . . . .
(No vampires yet, but the heroine's a succubus, which is probably close enough!)