The Prometheus ship is obviously a pretty cool design, but what I don't understand is why It has to look at lot more advanced (or modern) than the Nostromo, taking into account this is happening many years before the events in "Alien". The cryotubes and everything look also a lot more advanced than what we saw in aliens, with holograms and stuff like that, the space suits, the drones they use in the jockey temple, etc.