Intel has internally announced it's Quad-Core processor. The internal details claim that the chip will come in two iterations, the first of which will arrive in November of this year. Both iterations of processors will be for Socket 775 and feature a 1.06GHz FSB.
The processor which is internally dubbed "Kentsfield" and will be commonly known as the Core 2 Quadro Q6600 will debut with a clock speed of 2.4GHz.
It should be noted that the server version of Kentsfield is called Clovertown and should also ship early next year.