A developer friend has just launched a very cool new music / event promotion website coupled with streamed audio for registered artists. Each artist's airtime is influenced by the listener's votes. It's a very good looking application with some simple but very effective features. Check out Most Rated
ActionView's date_select helper doesn't produce valid dates where the date select element is visible. i.e it's possible to select February 31st for example. Here's my 10 min fix in javascript (using prototype minimally).