nd it's awesome makes an absolutely huge difference to how the system responds in normal useage
wELL When you were using a 4200rpm laptop hard drive previously , ofc it was awesome.
Otherwise going from a gen3 to a gen4 will make SFA difference, If you know enough to buy this then your system is already up to snuff.
And these are the launch prices , competition will soon drive them down significantly. BUT some ppl have to have the fastest,now, so spend your money.