I could help with this, if you know of a site where it has lists of domains registered with godaddy let me know and consider it done, I already have an email harvester script I've been working on and can easily tweak it to do this, its multi-threaded so it can go to a lot of sites, crawl them and pull the emails in fast.
You could just get the .com zone file and scan them with a load of proxies for godaddy dns servers etc. Or write some Seti alike tool so more people can participate. [Place here spam warning]
