Changing the grill was actually a condition of JoyJoy's for buying the truck. I was in total agreement... right up until I took delivery. I don't know what it is, but in person the grill just looks correct for the truck. I don't think Joy is 100% in love with it still, but I don't think she hates it anymore either.
To my knowledge, there are no other grill options to date, anyway. But here's a (really crappy) couple of photochops I did way back when, when toying around with different ideas. I'd still like to see this come to life:
Looks too much like a GMC grille. The stock Ford grille is awesome IMO.