If you've got an Xbox 360 and it's connected to either of the Internets, you can now download the full version of Texas Hold'em for free:
For 48 hours only – Wednesday, August 23 through to 6pm EST Friday, August 25 – as a special limited-time only promotion, gamers can download and own the game at no charge (for all Xbox Live Gold and Silver members). Starting at 6:01pm EST Friday, August 25, Texas Hold 'em for Xbox Live Arcade will be available for 800 Microsoft Points.
The press release
has more information about the game.