Who will be the first to roll out IPTV--SBC or Verizon? Is Microsoft’s IPTV software really prime-time? Is Narrowstep ahead of the game? Is IDV GMOD for real?

This is the place for all discussions circling around the makers and shakers in IPTV, business models, software, hardware, and emerging technologies.  

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Curtis
TVover.net

Curtis wrote:

Who will be the first to roll out IPTV--SBC or Verizon? Is Microsoft’s IPTV software really prime-time? Is Narrowstep ahead of the game? Is IDV GMOD for real? This is the place for all discussions circling around the makers and shakers in IPTV, business models, software, hardware, and emerging technologies.

I've been reading that Microsoft's IPTV software is having issues rolling out in Europe. And I understand that other services are using a plug & play model of various supplier components.

As far as Narrowstep goes, there hasn't been much in the press.
Why would you say the are ahead of the game?
What about Maven, Akamai, Akimbo, etc...?