If you like noir and aren't averse to some sequential art, I encourage you to check out Blacksad.
John Blacksad is a trenchcoat-wearing private detective. He drinks, likes a good-looking dame and knows how to throw a punch. He's also a panther, but that's not surprising; the hired goons he faces are weasels and snakes, his police contact a German Shepherd.
A year or two ago, an English-language hardcover collected three tales; Somewhere In The Shadows, Arctic Nation and Red Soul. It is well worth checking out; the hard-edged script, gorgeous painted artwork and keen attention to the nuances of noir make it well worth the price of admission.
Here's the first page of Somewhere in the Shadows;