Since nothing corresponds to that second question directly. I've added this thread.Is vocalizing the Greek words and sentences important? If so, how should Greek be pronounced (what arguments can be made for one pronunciation over another or others?) . . .
The discussion of various pronunciation systems was the topic for a panel discussion at SBL, Nov. 2011. However, that may only be available in print form in another year or two.
In the meantime, an overview of four basic pronunciation systems, coupled with a discussion of pros and cons for each, as well as representative first century data and an explanation of "phonemic" pronunciation, can be found in a 14-page PDF at
http://www.biblicallanguagecenter.com/w ... n_2008.pdf
it can also be read directly on line at:
http://www.biblicallanguagecenter.com/k ... unciation/