The Cheesy Poofs offer a beautiful Gantt chart from the 2012 season, here:
http://spreadsheets.google.com/pub?k...5A&output=html
The Google Spreadsheet approach lacks sophisticated project management features, but I find it to be very effective at conveying information that is easy to read and understand.
Our team hasn't made our own Gantt chart yet but we are going to this year. Thanks for starting this thread.