It's free for now.
Be sure to check Sublime package Manager. There are hundreds of Sublime extensions, many of which were ported directly from TextMate (and have .tmbundle suffix!):
http://wbond.net/sublime_packages/package_control
List of packages: http://wbond.net/sublime_packages/community#sort-installs
That said, it's a great editor.
As for me, it seems to take somewhat easy tasks and makes them more difficult. Installing packages was a head-scratcher at first, even with your guidance.
I'm just going to stick with Notepad++. It may not be pretty, but its straightforward and gets the job done.
"Sublime Text 2 may be downloaded and evaluated for free, however a license must be purchased for continued use. There is currently no enforced time limit for the evaluation."