Although Starcraft was a genre defining game of its time, I can't see how playing a futuristic character in a like environ would be too entertaining (Star Wars Galaxies
hardly comparable, but painfully boring) -- realize however, that I am strictly a 'fantasy' gamer. At the moment, Guild Wars and EverQuest 2 have my attention (signed up for several betas, no word yet).
Perhaps some of you have heard of the title Vangaurd: Saga of Heroes? It is being developed by the team that created EverQuest (the original creators, before EQ went to hell) in addition to a few other people that have made an impressive name for themselves in the gaming industry. Despite it being in the works for at least a year and half, it looks very promising.