This topic has been posted to death but now with Z77 and motherboards supporting Thunderbolt around the corner, maybe it will finally be possible?
http://www.guru3d.com/news/intel-z77-rears-its-head--msi-/
The question is though how to connect the display since it needs to go through the graphics card(unless you're running off of the integrated graphics).
http://www.guru3d.com/news/intel-z77-rears-its-head--msi-/
The question is though how to connect the display since it needs to go through the graphics card(unless you're running off of the integrated graphics).