Rumor: Intel Core i7-980x Mac Pros to come next Tuesday?

It was as recently as December that Apple quietly bumped the specs of their Mac Pro line to use 3.33Ghz quad-core Xeon CPUs, but if ZDNet's Adrian Kingsley-Hughes and his sources are to be believed, we could see the next Mac Pro as soon as next Tuesday, March 16th.
According to Kingsley-Hughes, the next Mac Pro [...:]