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>As it appears, end-users will either have disable low-power states of Haswell or get a new power-supply units compatible with the new Intel chip.

Errr, is not like many end users update their desktop PC with new CPUs anyway.

And those very few that do, they also buy a new motherboard, so to get a new power supply is nothing significant in comparison.

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Everyone will need to buy a new Haswell motherboard. Unless the reports I've read months ago changed, Haswell is going to be on a new socket.

Correct. Haswell is LGA 1150, SB/IB were LGA 1155.

WTF is up with this? Is Intel just taking as much money as they can? Or are these legitimate issues that they waited to address?

There weren't any legitimate technical reasons for switching from LGA1156 to LGA1155, but Haswell and LGA1150 are introducing major changes to power delivery and voltage regulation. Given that power delivery accounts for something like half the pin count of a modern CPU, a new socket for Haswell is quite justified. (Although, those power delivery changes only really benefit the mobile market, but Intel's long been unwilling to produce different dies for the desktop market and the mainstream mobile market.)

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