Well, so many good choices there, where do I start...
Actually, I like all the poll options (except the "I hate Sci-Fi" one

and think they all have well developed universes and the Warhammer 40k and Cyberpunk settings are intriguing as well, but I want to add a few options:
The Dune universe
It has a few movies under its belt, which qualifies it and Frank Herbert did such a marvelous job of fleshing it out. The Empire with its feudal structure, the Bene Gesserit, the Fremen society, all the various factions and of course the
SPICE! Incredibly great stuff.
The Hyperion universe from Dan Simmons Hyperion books
I just love that diversity, with all the different worlds and settings (The Ousters! The TechnoCore!) and the way a future information space (sort of a future Internet) is described is very neat in my mind. I think there are only the books right now, although a movie seems to be in development.
Now those would be universes I would find fascinating. However, if you would ask me which one I wanted to live in:
Star Trek wins, hands down. A united humanity, putting aside differences and bent on self-improvement and exploration? Solving all poverty and property problems with replicator technology? (Mostly) Peaceful coexistence with a boatload of fascinating alien species across the galaxy? Well yes, that sounds like a universe worth living in
And on a much more selfish level: Sexy green alien chicks? Holodeck technology to make virtually all your dreams come true?
SIGN ME UP, Scotty! 