Internet Explorer 9 (IE9)

Internet Explorer 9 are available for test drive.  I think only for Windows Vista and Windows 7.

What’s new in Internet Explorer 9?

The improvements to Internet Explorer are as much about what you don't see as what you do see. Internet Explorer 9 has a streamlined design, fewer dialog boxes to click through, more intuitive navigation, and many new features that speed up your web browsing experience. Features like Pinned Sites let you pin your favorite website directly to the taskbar for one-click access. Other features, like hardware acceleration, deliver an all-around faster browsing experience. With Internet Explorer 9, websites perform and feel more like the programs you use every day on your PC.

Here's what's new:

Streamlined design

The first thing you'll notice when you open Internet Explorer 9 is the compact user interface. Most command bar functions, like Print or Zoom, can now be accessed by clicking the Tools button, and your favorites appear when you click the Favorites button. Otherwise, Internet Explorer gives you the basic controls you need, and lets the web take center stage.

Pinned Sites

If you visit certain webpages regularly, Pinned Sites allows you access them directly from the taskbar on your Windows 7 desktop.

Pinning a site is simple: click the icon to the left of the web address in the address bar (or the website icon on the New Tab page) and drag it to the taskbar—the website's icon will stay there until you remove it. When you click the icon later, the website will open in Internet Explorer.

Whenever you open a pinned site, the website icon appears at the top of the browser, so you have easy access to the website home page. The Back and Forward buttons change color to match the color of the icon.

More info..Go here.