The Debian Installer Team has released the first beta release of Debian 7 codenamed Wheezy. This is a development release for testing purposes only and not intended to be used in enterprise, business and production environments. It ships with a lot of bug fixes and new hardware support for a number of devices. The release announcement can be found here.
Debian 7 has notable improvements in localization. Over 70 languages are supported in this release with full language support in 56 of them. The release ships with a modern 3.x series kernel with better performance and hardware support.
The CD image of this release can be downloaded from here.