Curious - I was under the impression, mistaken obviously, that BB kind of died with the introduction of OSX - it was just SO HEAVY..... and textmate came along, and had just what I wanted.
Then again - I'm not a full-time programmer, I'm more of a sysadmin, and I guess in the end I probably use textmate, vi, emacs, or notepad++ depending on the situation/task/environment at hand.
BBEdit has perhaps lost a little bit of it's luster, but it's got a lot of stuff that even TextMate doesn't do. For instance, the Find/Replace/Search/Diff tools blow TM away. I use TextMate most of the time, but when I need to some specific stuff, BBedit is a wonderful tool.
Then again - I'm not a full-time programmer, I'm more of a sysadmin, and I guess in the end I probably use textmate, vi, emacs, or notepad++ depending on the situation/task/environment at hand.