Credit:
Actually, according to the folks at Engadget, it's two unpleasant surprises: First, the app seems to be quite slow. Second, it censors tweets, turning naughty words into stars. While some might see this as a useful feature, Twitter doesn't censor its users, so why does Zune?
Other than that, the app is free and quite beautiful to look at, so if you have a Zune, and decide to take it for a spin, let us know what you think in the comments.