ELluminate Live provides all the tools and services needed for successfull knowledge sharing (web-conferenceing, distance training...)

See the flash demos on their website
About ELluminate:
ELluminate is a leading provider of live Web conferencing and eLearning solutions for the real-time organization. Serving corporate and academic sectors, the company ensures the best user experience through superior quality VoIP, communications that are in-sync regardless of connection speed, broad cross-platform support, and advanced yet easy-to-use moderator tools.
Contact: Roger Hanley RogerH@elluminate.com