The spokesperson stated that they’re “increasing the flexibility of the programmability, enabling the artists to express themselves in a free way.” That doesn’t tell us a great deal about their hardware configuration, but they have stated that programmers will be able to express themselves by programming in a unified shader pipeline.
Whether a unified shader pipeline will actually benefit end users will not be seen for some time. If they do choose to launch a form of G80 at the end of the year though, it would be just in time for Windows Vista which will support DX10. Read more @ Bit-Tech.