"DocVerse brings online collaboration / sharing of Microsoft Office documents to your office and mobile workers, allowing user level access, and single file management. The beta version of DocVerse only works with PowerPoint 2007 for the time being..."

This is neat. Work real-time in the same file in actual Microsoft Office, not a web-based imitation app that doesn't really cut it. Neat that it even works for those who don't have Microsoft Office. Can't wait for it to work in Word too.