From Xbitlabs... (ok so maybe it's not the best source)
Full Story here: 90nm Celeron Processors to Come Next Year
A year from now Intel will introduce new Celeron processors for desktop computers with new bus and enlarged L2 cache. The chips will be manufactured already using 90nm technology and will certainly derive from the highly-anticipated Prescott core.
Full Story here: 90nm Celeron Processors to Come Next Year