You should watch Due South, at least! Admittedly I've only seen the last two seasons (the ones involving RayK, the ones the creator said the fans were going to love because they're homoerotic and BOY ARE THEY) but those two seasons were fabulous. I watched it on Netflix the first time (after stumbling on the fic and going who are these people and what are they doing having all these adventures in Canada, which is pretty much how I always find shows to watch) and then got a box set online from Target for $12. Whereas buying all the season of SGA would cost you a small fortune.