Hi..
i just registered to this forum, but i have always been a big starcontrol2 fan..

and about the sc easter egg in babylon 5, i think that it is very probable, because to me it is very obious that the creator of babylon had played Starcontrol2..
because imh they have too many similarities to be just coincidences:

1.the 2 stories are about 2 ancient races that fight each other in a doctorine war about how to deal with the lesser races, the Khe-za/korh-ar, the Vorlon/shadow.

2,the Kher-za/vorlon have green ships, the Korh-ar/shadow have black ships.

3.Hyperspace is exactely similar in both stories..