There is space enough in my world for multiple fandoms.
I am old enough to have watched the original Trek when it first aired..but didn't fall into the fandom until many years later. Of all the Treks, DS9 is my personal favourite.
When I got hooked on B5, it was really hard to find the show sometimes; the scheduling was so erratic. One season I was reduced to begging my brother in Ontario to tape the show and mail me the tapes! (which he did, to his credit). B5 was the first show that really brought me to the internet fan world. I discovered the Lurkers' Guide to B5, and spent a lot of time lurking there; it was a real eye opening to me.
Heroes starts up again here September 24! Huzzah!