Intel Nocona foretells 64-bit desktop CPUs?

This sounds familar? didn't AMD go down this path with Opteron?, I think they did.
"Intel’s planned launch of its next-generation Xeon processor, codenamed Nocona, next week has stirred a wave of market reports that the chipset giant may soon come out with a 64-bit desktop chip, according to sources at Taiwanese PC makers.

The Nocona chips will be available at clock speeds of 2.8, 3.0, 3.2, 3.4 and 3.6 GHz. The Nocona will be Intel’s first chip that incorporates the EM64T (extended memory 64 technology) that will allow servers and workstations to run both 32-bit and 64-bit applications, said the sources."

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