While AMD has been pushing for integrated graphics in all Phenom II motherboards for a while, it has not come to pass. The 790FX is still highly sought for and the 770 is a very good chipset all around.
AMD will be releasing the 795GX with the updated RS880D, which is a higher clocked 785G chipset that's capable of x8/x8 Crossfire by splitting the PCI-e lanes. The GPU clock is 700MHz, the same that was used in the previous 790GX chipset.
It would be great if every motherboard chipset would carry an graphics core, as this would allow for AMD to use the PowerXpress feature on the desktop side as well. PowerXpress is a notebook only feature for now, which allows the discrete graphics card to be shut down to save power when idle. This is especially useful for CrossFire setups but AMD and nVidia haven't been able to tackle it just right on the desktop. Current AMD implementations allow to seamlessly move between discrete and integrated graphics without rebooting the machine, changing as the power source goes from battery to AC.
Without PowerXpress, the 795GX becomes a rather pointless chipset, which is why the 790FX is still highly used in enthusiast class components.
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