There is an interesting top 10 posted on bscreview.com. I am ashamed to say that I wasnâ€™t familiar with all of them, Iâ€™ll definately check them out soon. Including the surprising no. 1, Children of Men !
But looking at the list I am afraid the previous decade wasnâ€™t the hottest for SF movies. My personal favorite would be serenity, which indeed might arguably be a 2hr special episode of Firefly ;).
BscReview top 10 SF movies of the decade.