I just got tired of Farscape, because line #1 was in almost half the previews. But the characters were ok, the action was ok, and when the thing got it's storyline going, they were great. And what do you mean he found Earth, but it wasn't enough?
B5 had a bunch of good character interaction, to balance out the mix of repetitive storylines (which were different enough to warrant watching, as well).
Voyager: Meh, it was ok. I only saw a couple episodes with it's run on UPN, so I never saw the repetetiveness.
Andromeda: I thought that was actually pretty good! I came in late to the series, when everything was happening, so I didn't have to watch the repetetiveness.