Brian Rice May 01, 2004 Lee Salzman has drastically grown his original short paper on the PMD idea into a full thesis for his graduation requirements as well as put together a very nice slide presentation illustrating in simple terms what the benefits are to object-oriented programming.
I've added a news item to the main site: http://slate.tunes.org and added them to the Recommended Reading node of the wiki.
These are well worth reading, and summarize a lot of his work on Slate. Some notes on the technical optimizations that were helpful should also give some insight into what we've been looking at for performance boosts (beyond ditching the Lisp semi-compiler :).
