well now we know, what the dev are looking or where they take their ideas from or get their inspiration from
Star Trek: Enterprise seems to be the most common. Empyrion's shield generators are "Polarized Hull Generators" like theirs and the Zirax make an appearance in Season 3 Episode 1 as the overseers of a slave mine.
well that is something i missed, but because you mentioned it now, yes the polarized hull shields are from enterprise well the portal gates are clearly - stargate related, i wonder what else can be found