Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
I bought from this seller one 7448(1,7GHz) and two 7457(1,25GHz). The 7457s landed in my MDD, I can confirm that the seller sells really NOS and they work, they are nicely packaged. Did you ordered from him? What do you want to do with a 7448?
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.