Allow me to say it for you:
"Has it ever occurred to you that you might be delusional?"
— Janet Evanovich (Fearless Fourteen)
Katherine Heigl? Stephanie Plum could take Heigl out with one well tossed donut!
I'm sorry, but what part of Katherine Heigl's blond, thin, patrician profile screams Jersey Girl with a pastry fetish and a knack for blowing up cars?
Sandra Bullock. Yes. Marisa Tomei. Sure. Heck, toss any number of women in a pair of too tight 501's and a frizzy wig and I might even buy it.
But Katherine Heigl, while she may have some box office cred, doesn't have the sexual (albeit accidental) heat to warm a sex starved college kid, let alone a stud like Joe Morelli or a cool guy like Ranger.
Do. Not. Want!