The power consumption of a GTX 470 is terrifying. 110w more than a GTX 460 FTW ? Ouch!
And now imagine if you do like that user who said he'd prefer and buy a GTX 470. Imagine the heat. The noise. The power. You could light the whole house on economic lightbulbs. And you're not factoring air conditioning needed during the summer when using a GTX 470, let alone if you overclock it.
Anyway, those who want GTX 470 performance without the Overclock factor, it's better to wait a month for the GTX560. That GF104 (or 114 as it will be called with the GTX560) is much, much better for gaming than GF100 or even GF110.
And I bet it will be good, Nvidia will release it with conservative clocks, and EVGA will release a GTX560 FTW that can go to GTX570 performance levels (or at least GTX480).
Anyway, speaking of overclocking, only time will tell if the GTX460 FTW will have a big lifespan or not, but I can tell my personal sotry with an 8800GT Turboforce Edition from Gigabyte.
I bought it in August 2008; it had the GPU at 700Mhz, 100 Mhz up from the stock 600; and th shaders at 1715 Mhz, a whopping 215Mhz up from the standard 1500 Mhz, and a slight memory overclock, from 900Mhz to 920 (1840 effective).
How much time did it last me ? Two years and two months. But it didn't die on me. I sold it to someone else, and it's still making that person a happy gamer right now! Oh, and as a sidenote, I bought it for € 98 back in August 2008, and managed to sell it in November 2010 for € 40! Talk about value for money! Best purchase I ever made!