GTX 280 What Is New?

So what's good about it? Looks like the same technologies as the 8 series and somewhat in the 9 series. Doesn't look like it could be any stronger than the 9800 GX2. How are the drivers? Is it actually worth it?
Flight Simulator and other chat
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https://forums.simviation.com/phpBB3/viewtopic.php?f=9&t=26378