Probably worth it. When I bought it initially I was pretty displeased due to the bugs, but now that they've all been ironed out it's not a bad game.. just kind of average. The locational damage and interactive consoles were neat when it came out. You can also force it into a co-op mode with a couple console commands which helps the entertainment value.
I didn't finish it back then because at some point in the middle, the level design really got lame. Especially that part where you keep swimming...god.
But I also remember it as being pretty fun until that point. Location damage was definitely something I had fun with.