BSG too and I love that show as well. The producers admitted on a BSG commentary track that "and they have a plan" was added because it sounds cool. BRILLANT!
Actually, BSG's finale wasn't bad. At least I remember it fondly.
Highlander and Forever Knight were both shows that I liked that had less than memorable finales. I honestly think it's hard sometimes for a good show to find a great way to go out.
I enjoyed it too, despite the various storyline flaws as the show went on.
Star Trek The Next Generation is still one of my all-time favorite finales.
A Fringe/Doctor Who crossover would be great.