As I have made my way into marathon running, triathlons, and overall fitness I am constantly on the lookout for information sources. I recently found a great one: DC Rainmaker. A fellow DMV native, his blog is an excellent source of info on products, races, and fitness. Go check it out.
He also runs monthly give away contests,
http://www.dcrainmaker.com/2010/09/september-garmin-forerunner-310xt.html...so check that out too.