Best way is to subscribe yourself with Google Alerts
http//www.google.com/alerts
Brief on Options
Just enter the Search Term(s) for you it will be Search Engine Optimization, Search Engine Marketing, Google, Yahoo, MSN etc.
Type Comprehensive (that will include everything blog, web, video, groups)
How often As-it-happens
Email enter the email address where you want to receive the alerts.
Its really simple!!
There is no need to visit forums or other SEO related Websites.