I finally got a chance to listen to the Space Show interview on the 2008 Regolith Excavation Challenge. It's a 2-hour show, so I'm not going to try to summarize it. The link has a summary anyway. I will say that just about any question I would have thought of was covered in the interview. It sounds like it will be an even more exciting, and actually quite different, contest this year from all sorts of perspectives.
Dr. Space hopes to go to the Challenge and hold some interviews, so even if you can't get to the event you have more to look forward to. Last year there was also a Planetary Society radio interview, and pretty good media coverage overall.