ROSA 2012 will have 5 years of support, so it will be the first LTS (Long-Term Supported) of the Russian distribution. This version is codenamed 'Marathon' and use KDE 4.8.1 Be Desktop Environment. In this new version the performance has been improved, on a Kernel 3.0.26. At first glance you can see that it has a Artwork very well cared for, which I love. Rosa contains support for new Intel 'Sandy Bridge' and can be downloaded from the following link:
Further information: @Distrowatch.