Gotta say that despite the impressive visuals, I found the original more entertaining and ultimately more satisfying despite being somewhat cheesier. Perhaps just being nostalgic. As previously mentioned, a lot of motion & noise signifying little - though the original was not particularly heavy on the dialogue.
I think not setting it in Mars like the original was also kinda of cop out.
Is it only me that thinks that the whole elevator invasion threat was absurd? Why did it only occur to Colin to bomb the elevator and halt the invasion vs the millions on the other end? Makes even the 3 minute terraforming "miracle" at the end of the original more believable.
Pros : Impressive visuals, Kate Beckinsale (got this ruthless terminator vibe going)
Cons : Wooden / plastic performance from lead actors, overly talky confrontation scene w/ friend (killed the momentum)
The trinaural breast thing was apparently one of the first questions / requests when they pitched the remake. You can also spot an homage to the original in the security check scene ("two weeks" fat lady), though they wink at the fans by making that not turn out to be the protagonist.