Now that is a very good point
Although we're slipping into a subject thats filled many pages on here before, I have to say that I've generally seen a bigger proportion of new, and younger, faces at smart venues promoted/played by the younger DJs.
I'm not sure that new records are sole answer to getting these people interested..... I think variety is the more important factor!
As you said before, there are so many underplayed/forgotten records and they can equally well provide that variety.
What is a turnoff to many is the playing of moderate records just because they bring back memories of 1973 to some