I have have a pretty decent ability to represent data in a manner which communicates easily with a unfamiliar audience. However, I'd like to expand into the use of different software to create visualizations like this: http://www.youtube.com/watch?v=0qd_VTT1cSU
What are some resources that will provide greater functionality than frustratingly limiting Excel Charts? Through what means are the creators of visual budget representing their data?
Please recommend software and resources from both free to the ridiculously expensive. Ability to chart quickly and maintain easily are important to me as well.