Murder HE Wrote?

The very cool Nathan Fillion (Mal on Firefly) is in negotiations for the lead in an upcoming ABC pilot entitled Castle.

Castle is” a comedic procedural about a famous mystery novelist (Fillion) helping the NYPD solve crimes.”

Not sure what I think about this. I suppose it could be decent.
Fillion has had tough luck with television, he has had two series (Firefly, Drive) die before the first season ended. Now I never watched Drive, but Firefly was truly a great series and it was politics at Fox that killed it. The shows were aired out of order and had a two week hiatus after just three episodes. If memory serves me right, they also aired it an hour later a couple of times.
I like Nathan so I will give pretty much anything he does a chance.