I don't live in Atlanta, but today, the internet allows the next best thing. Correspondence with a knowledgable bloke that has some very practical ways to help you with the individual events AND with the decathlon itself.
Check out my website and my blog. You will find there is a pretty good chance I Know what I am talking about. Would be willing to work with you online.
www.youreonathletic.com
blog is: trackcoach8000.wordpress.com I just started it, but I have a good shot put article, high jump and javelin article.
Gary B.