I consider myself a Trekie and I LOVE farscape. The story is so much better. Farscape is a bit more grittier than a Star Trek, but it makes the story that much stronger.
I was a bit sceptical at first but I got hooked. The early seasons are a bit chessy because special effects aren't great but they improve over time. Getting used to talking puppets was a big issue too. Sure, we all love the Muppets, but seeing them (all be it original creatures made of foam) talking to humans see a bit odd. Especially if they are violent puppets, cuss or talk about sex.
Aside from visual effects, the story plots are excellent. There are story arc that stretch and the characters develop over time. You become so emotionally attached to the characters that I found myself crying with them when things went bad (and I never cried with Star Trek).
I suggest locating a copy of THE BEST OF SEASON ONE of Farscape, it has 6 episodes from the first season that the following seasons build up on. These are probably the strongest shows for it beginnings because the early season was really cheep and chessy. All the important stuff that you need to know (establish) is in the BEST OF set. Then I encourage you to get every volume of the series from thereon.
I really urge you to give the show a try. I really became hooked on the show about from season 2 finale and from there commited to seeing them all.
If you need anymore info. let me know.
-Eric