For comparison: http://www.google.com/trends/explore#q=%22linux%20desktop%22...
It doesn't sound weird in the context of "Year of the linux desktop", because we are so used to that meme, but otherwise, the word "desktop" seems old-fashioned. See also[1].
[1] http://www.google.com/trends/explore#q=Desktop&cmpt=q
For comparison: http://www.google.com/trends/explore#q=%22linux%20desktop%22...