A GTX 660 is about 5 generations of GPU hardware designs ahead of the PS3's RSX, and almost 200 times more powerful in FLOPS.
And at a price range of $220-$350 in "newegg".
Even a modern Intel CPU's built in hardware acceleration will give the RSX a run for it's money!
High end iGPUs, like the HD4000 and Trinity APU's are performing well on 720p+mid and 1080p+low settings it seems. The future is exciting
That PC spec is definitely aimed at delivering much higher quality than current-gen consoles do.
I think the problem with how I see it, is that even tho the quality is better it is not really 5 times or 200 times better, graphically it will look better, it should run better. But, the end result is a prettier game that costs much more to experience. Maybe when heterogeous computing kicks off completely, the whole PC gaming experience will improve "automatically" from a console port.
Unless the user already has a desktop, the price to experience current PC games is not exactly cheap. And even then, its still a $200-$300 minimum investment.
BTW, thanks for all the info, Hodgman.

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