It's called supply and demand and I assume you know of it. And 99/150....250% the price? The price of the firesale, yeah, but the ips screen alone is 99 bucks or so. Hp loses about 200 bucks a touchpad.
250 was the price they should have priced it normally...imo, it's still their touchpad and...
Anything past 8+2 phases for SB is overkill...but back on topic...
The 570 and 580 should be able to withstand the measly 1.2v
The first generation of Fermi was able to take the voltages...Why? because of the phases that delivered the power.
The 570s main weakness in overclockability would be...