KBkids.com is offering the 2004 Holiday Gamecube bundle and Whirl Tour for $99.99. In addition to Whirl Tour, this bundle also includes a free complete version of Mario Kart Double Dash.

Shipments on this bundle have ended and these are on a "While Supplies last" basis so if you're looking to pickup a Gamecube system, do not delay as this is the best offer available.

2004 Holiday Gamecube Bundle with Whirl Tour - $99.99

Thanks for the tip, Ernie!