Now it's about time. Earlier today at CES (which I am not at for the 1st time in while), Microsoft announced that the social will grow closer to the US for now. I am sure that this will lead the way for other launches in 2008.

Zune to Launch in Canada; Zune Social Grows Rapidly

Adding to the entertainment momentum, Bach announced that Zune will be available in Canada in spring 2008, the first time the family of digital music players will be available outside the U.S. Microsoft also announced that since the November launch of Zune Social, more than 1.5 million people have joined the music-focused social network, demonstrating how Zune is tapping into consumers desire to share their musical passions with their broader community.

Source : Mobilitysite