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BillyBob, there seems to be a growing amount of information indicating the the "improved" blue CPS is not all it's cracked up to be. I have been interested in getting one myself for the past several months, but have just watched and waited, and I'm seeing more people commenting on failures that are as frequent as with the standard unit. Since the aftermarket black ones are a lot cheaper and the whole thing is an easy 5-10 minute changeout, I've decided to go with the black one myself.
Search through the 99-2002 7.3l forum threads and you'll see what I mean.