Dance Dance Revolution

Links:

DDR Downloads - very good site for DDR Sim's
[Hits: 635 / Avg Rating: 2.50 / No Comments]
DDR Freak - Possibly the oldest, and easily the most populated DDR focused website online. They keep up to date on DDR Related news, have active forums, and a large information database. If you're just starting out with DDR this is a great place for help.
[Hits: 787 / Avg Rating: 2.12 / No Comments]
DDR Gateway - Available in English, Japanese, and Euro English. Links included to all mixes and home versions.
[Hits: 510 / Avg Rating: 2.67 / No Comments]
DDRUK - UK based DDR site with a worldwide following. They feature very active forums, many different interactive features on the website and simfiles for the songs in Official DDR releases for download.
[Hits: 712 / Avg Rating: 3.33 / No Comments]