I have the same truck as you and have used the Jacob's brake since new (I love the fact that it is ECM controlled). Last I heard it was about $590. Not critisizing the other brands, but the Jacob's brake is the only one that I have NEVER heard of a problem with.
Also, I drive extremely fast on winding mountain roads, city traffic, etc. I still have the OEM brake pads at 86,000-miles.