Here's an intersting article disucssing yet another Conroe processor, the E4300. This one is slated for the extreme budget, although we don't know exactly what the official price will be, it likely is intended to square off with the Semperon market.
Intel needs a "cheapie". Throw in a cheap IGP motherboard and a "value" or limited Windows edition, and try to get as much market penetration into emerging countries (China, India, et.) as you can.
The profit may be small, but the potential customer base may be in the billions.
Might also be a good option for clearing out the old Netburst chips.