Intel has announced which processors in the upcoming months will be phased out. Surprizingly enough, the Core 2 Quad Q6600 is in there as well.
For the month of February Core 2 Quad Q6700 and Core 2 Duo E4700 will be removed. At the time of writing, Core 2 Quad Q9450, Core 2 Duo E8200, E8190, E6850, E6750, E6550, E6540, E4600 processors already have been phased out.
In Q2 2009, we will see 7 processors to be phased out including the good old Q6600. The rest of the processors are, Core 2 Extreme QX9770 and QX9650, Core 2 Quad Q6600, Core 2 Duo E8300, Pentium E2200 and E2180, as well as Celeron E1200. Lastly, Core 2 Duo E7200 and Pentium E2200 will be phased out by Q3 this year [via vr-zone].