The data is here: http://wikileaks.org/gifiles/
This is sort of like having to do research on an archive that's been photocopied onto kleenex. But, we'll suck it up, and write a scraper to turn it into what we need. But it means that some of the interesting stuff is delayed, because wikileaks is trying to get the most bang for the buck by dribbling it out.
Just to pick an example of what I mean by interesting; tag all emails that mention a country or city and see if there are correlations between who sent and received emails and the countries mentioned, or if informants are mentioned in connection with more than one country.