Dennis Lehane's "Kenzie&Gennaro" series (A drink before the war, Darkness take my hand, Sacred, Gone baby gone, Prayers for rain) or Mystic River.
Kit Whitfield "Benighted".
Warwick Collins "F-Woman".
Stephen Woodworth "Violet" series (Through Violet Eyes, With Red Hands, In Golden Blood, From Black Rooms).
Charlaine Harris "Southern Vampire series", the Lily Bard series and the Harper Connelly one.
Janet Evanovich's Stephanie Plum series.
Oh, heck, I could go on and on and on... :

And if you want something that will keep you busy for a while, Anne Bishop's Black Jewels trilogy...aaaah, loved that one, I'm still recovering from it
