I avoided this movie on DVD because I had heard some negative reviews. Don't listen to them. Check this movie out! I just watched on Starz, and I was blown away. I loved it. Granted I had way low expectations. But even so this was a really good movie. If you like Sci-fi horror its a must see. Dennis Quaid is great in this movie
I saw this in the theater and didn't care very much for it myself. It had the kernel of some really good Sci-Fi ideas, but (IMHO) became a slash'em shoot'em up.
But as you say - if you like space-horror - this might be just the ticket.