Might be better in context, but it looked kind of goofy, to be honest. While this was interesting, I think I preferred the more ambiguous version from the theatrical cut.
Apart from the alternate Vickers/Weyland scene and a potential deleted scene where Shaw tells the crew about the Trilobite, I'm beginning to think that the TC will be my preferred cut (assuming that there is an extended one down the line), because this really isn't necessary, I honestly don't need an extended Shaw vs Engineer fight (thought it was fine as is, and I don't want to see the Engineer underpowered), and the opening scene was perfectly fine with just one Engineer.