This could be HUGE, but it will take time
It's called Independent World Television. Apparently, they have already started to fundraising process, with a grant from the Macarthur Foundation. They will be a non profit world new network offering "full spectrum debate". No adverstising, so cable companies won't have to pay to carry them.
Look at thier board of advisors, definately many progressives
Its scheduled to ramp up in 2007.
http://www.iwt.tv/