I quit keeping up with diablo after a while. They have a long history with gassers, but they APPEAR to be new with diesels. when I was truck shopping (for the past two years), I remember when the predator came out. The hype was incredible. They made the thing out to be a miracle box for the duramax. Shortly after that, release dates started to get delayed, and the diablo guys got real quiet about the product. Not sure what happened after that, I have up on those guys. The proof is in the puddin' you know... For my money, I'd stick with one of the guys that has been making these things for a while like Edge.
My . 02
/abg