I'm going to quit on Nov 25... 1 day after my birthday. I have quit for a year before... Go read this website and it will help you quit. Its very very interesting and will make you discusted that you smoke and teach you about your cravings and what makes them work.. pretty awesome.
I had to quit looking at the site I would have quit then. Waiting to read the whole site til the day or so before I quit.
http://www.whyquit.com/