There are a number of users whom I know who were big fans of David 3 (incl me!) Daz's position not to do D4 is now made even more interesting by them bringing out David for Genesis.

Interesting thing is this: I've had my own version of "David" for M4 that I've been using for a couple of years. It requires Morphs++ and Trekkiegrrrl's "M4 Younger" available in the Freestuff area. I have not attempted to actually sculpt D3's face, simply to create a young man of his approximate age, build and attractiveness that can then be morphed into other characters. Here's my solution to David for M4.

If there is any interest, I'll be happy to post my dial settings.