100% Agree, it's one of the movies that really surprised me when I watched it and it always stuck to me as a great movie even though I forgot most about it and could do with a rewatch.

One of the movies I also somehow remember watching that kind of left me with a simimar feeling (although not as good and a differnt subject aside from it also being a Sci-Fi Movie) is Pandorum. I went in with very low expectations but it positively surprised me.