[pcj]

Hmm..that's weird. Surface RT is 1.5lbs and Surface Pro (yet to release) is 2 lbs[0]. Both versions (11, 13 inch) of Macbook Air are more than 2lbs[1].

[0] http://www.microsoft.com/Surface/en-US/surface-with-windows-... [1] http://www.apple.com/macbookair/specs.html

EDIT: Those are without the keyboard. Depending on the keyboard, I can see how Surface might have been slightly heavier.