Hello ... To compliment the new Win32 builds of the Bioconductor packages, I've built Win32 versions of the data packages (available via the 'data' link on the sidebar). I don't believe there is any real difference (I'm pretty sure they are all just data files, Jianhua can correct me if I'm wrong), but you can suck these into your Rgui session via the 'install package from local zip file' option. -J