Useful Tools like this don't come along every day. This one is a dream come true for the citizens among us who mean to write their representatives, but don't get around to it. You can set up "monitors" on your Senators and track them with RSS. It has "stats at your fingertips" functions and is open source, so if you are a programmer and want a feature, you can just do it. What a great program. Hats off to Joshua Tauberer, the brains behind this useful tool. GovTrack.us: Track Federal Legislation