I think it's pretty pimp...
http://en.wikipedia.org/wiki/Windows...-user_features and the way vista media center edition works... it's going to fucking own.
Most high end users are going to the .Net framework, my companies biggest clients are asking for it and it's definitely an enterprise solution. When you compare it to php, cold fusion and others.... it's not even funny.
However I think linux is going to start picking up momentum in other areas. I was disappointed with Solaris 10, but I'm hoping Sun will be a big contender in the unix/linux based OS. Only time will tell I guess.