a. Subscribe to the RSS-feed of this site to see just the headlines of the Active Topics in your favorite RSS-tool (or browser).
b. If you lack some discipline and want to cut back surfing in general, I recommend to install Cold Turkey (http://getcoldturkey.com/). It's an easy and free tool that can help you avoid distractions during to hours that you select (for the upcoming week). I use it to avoid my favorite sites during working hours.