Prolly them cybernetic individuals that are indistinguishable from humans,
Ah, but he says in the speech that they already exist.
The speed of light limit "c" is not just a good idea...it is the Law. 
Did you catch the mention of M Theory in the speech? Perhaps this is a hint that in the next 11 years scientists will have some major breakthrough in physics that, fictionally at least, allows for FTL?
I guess I am assuming the his closing remark is a foreshadow of him actually revealing something world changing, which may not be the case of course. It does however seem as though
Prometheus will deal with the idea of human arrogance in the face of technology and the viral seems to suggest that it is attempting to bridge the gap between 'now' and 'then'.
-Chris