Lotus posted the <A HREF="http://www.lotus.com/news/news.nsf/public/E88616DB90B9FDAD8525671B00635C5F">new version</A> of R5 on their website. They issued a pre-release build of R5 which will give you more of the updates we've been working on, including MIME/SMIME enablement. This build -- officially called Notes, Domino, and Domino Designer R5 Build 164.1 -- is downloadable from Notes.net and features the UI many partners and customers saw at Lotusphere.