But is it better than Eclipse in terms of sophisticated language support? For a dynamic language, maybe that's not so important. But for a verbose statically typed language such as Java, it's critical.
BTW, if you have not checked out Eclipse lately, see:
I don't see it as a tool which can be compared easily. Eclipse (in my view) is more of a complete IDE. Same with Visual Studio (also superb).
Textmate is a seemingly minimalist programmer's editor. When you get into it and start hacking you start to see how much is really there. Definitely not an IDE though.
BTW, if you have not checked out Eclipse lately, see:
http://download.eclipse.org/eclipse/downloads/drops/R-3.2-200606291905/new_noteworthy/eclipse-news-all.html