Lately between Firefox si Internet Explorer has had a battle sites preview (Or BETA - Although they are a kind of preview) that currently no one has won it yet. That's because, after Series Previews which Microsoft took her to forward to Internet Explorer 9, Eventually was released and first version of the Internet Browser Beta - Still do not know how long it will be and the series - while Firefox is already in Beta 4.0 6 (Although in the meantime he released a version - stable - 3.6.10).
Many details about the new IE do not have to give you now, but we promise that we will test this beta at least a few days and then we opine as to him or her. Until then which is what you read about IE9 Microsoft Beta here.
Download Windows Vista Beta IE9 32-bit
Download Windows Vista Beta IE9 64-bit
Download IE9 Beta for Windows 7 32-bit
Download IE9 Beta for Windows 7 64-bit
Note: Internet Explorer 9 is not compatible with any version of Windows XP. For those who want to test the beta IE9 in languages other than English (eg in Romanian) go on Microsoft official site.