Gilsdorf et al. (2009) GenomeRNAi: a database for cell-based RNAi phenotypes. 2009 update. Nucleic Acids Res. doi: doi:10.1093/nar/gkp1038.
Database issue of NAR 2009 (free online access)
And check out their "List all Screens" for what I assume is a summary of the screens that are searchable in the database. Included among the screens in Drosophila and human cells listed are many published screens based on data obtained at the DRSC. Looks like a good place to go to see what's out there from many groups.