3 years ago this month I left the cocoon of my wonderful job to start my own business. It was overwhelming and scary... but actually the best decision of my life and incredibly satisfying. I don't think could ever revert.
Starting a new venture in January isn't always about impulsive New Year's resolutions. For me it was a great motivation and gave me a year to build and develop my product line.
The rest of the website has some great articles and advice - a perfect starting point for all you entrepreneurs!