It seems Microsoft have found it (with a little help from Dell). Better click it fast before they realise they haven’t, which is why I’ve included the screenshot below.
To be fair they don’t really claim to cure AIDS, but a PC can’t really be “designed to help eliminate AIDS,” so they deserve my misleading headline.
Vista sales must really be struggling along if Microsoft need to resort to this kind of thing. Not sure why Dell are playing along though.