Lemme admit here, that when Ben Bowder and Claudia Black came onto Stargate: SG1, I wasn’t too happy with the situation, and I didn’t really like them as actors. Then I watched Farscape, and gained a huge respect for their talents, so I’m going to assume that it’s simply the chemistry that hasn’t gelled yet on SG1. Sadly, I don’t think they’re going to get the time to get comfortable on the new set.
SG1 was one of those good “bad” TV series, much like Atlantis or any other SciFi produced series. It was / is terribly good. (Unlike BSG, which is just GREAT)