Yes, there is new Beta 1 version of Visual Studio avaliable for download. You can download it here.
The whole IDE has been refreshed. It has been built on WPF and it will be much more extensible which, I hope, will benefit in the future with some nice and handy third party solutions and extensions.
There are a lot of cool features introduced. If you want to learn more I recommend nice, detailed and full of screen shots blog entry from Jason Zender.