Another interesting tidbit, from
here.
"...One concern we had was the existence of the two Mini DisplayPorts in addition to one DVI port. We can confirm that the 2008 and 2009 were able to drive our 23" Cinema displays with the Mini DisplayPorts (using Apple's Mini DisplayPort to DVI adapter). I'm confident that the 24" LED Cinema display and soon-to-be-shipping 27" LED Cinema display will work fine as well. As for our 30" Cinema display, we used the DVI port while testing the 3G game listed above...."
Seems to contradict the initial "Quick Take" post that implied that the 'older' Macs could only use the single DVI port. However, if the mini display ports can be adapted to use DVI out AND I can use the 'other' DVI port - at the same time - this is good news.
Rob claims, "we are not done". So hopefully this story will continue to evolve, for the positive, for those of us still using "old" Mac Pros.