Wow, that's awful.
So not only did their QRA let a bad CPU through to the retail channel, but their customer support ranks so low in priority that they would rather send the CPU's that are being made everyday to the channel for new sales rather than support a customer who already paid up by sending you one of them?
That stinks and is very telling of their corporate priorities. Existing customers should be first in line to get their warranties serviced, not put in the back of the line in a holding pattern with no visibility into the timeline for resolution to your support needs.
Talk about a company with a customer policy which I would vote with my wallet to NOT support...