There's a new Steam Beta client available. To access the Beta, go to File -> Settings. On the Account tab press the Change... button to open the Beta Participation dialog. Then Select Beta Update, and allow Steam to restart itself. Here are the specific changes:
10/15/2010
- Adding a system to allow users to recommend and discuss games with their friends.
- Adding 'Recommended For You' page in the Steam Store.
- Updating store pages to show stats and launch options for games you own.
- updated Speex and JPEG libraries
