If Internet Explorer is your favorite browser then its a must have AddOn.. I was searching for a similar addon.. Today I found that from the Microsoft website... Its awesome.. Guys now you can uninstall your Alexa Toolbar (if you are using that crap) as this addon shows Alexa Rank and PageRank.... (like search status for firefox).

Featuers:

Enhance Internet Explorer's Tabbed Browsing Capabilities 1. Double click to close tab.
2. Open new tab from address bar.
3. Enable/disable tab browse history manager.
4. Enable/disable crash recovery
5. Move the IE menu bar above the address bar
6. Hide search bar.
7. Modify the maxium number of parallel connections to the web server.
8. Select the external program to view page source

Super Drag and Drop With Super Drag and Drop enabled, you can open new links by simply dragging and dropping the link on the page. You can also Drag and Drop to search selected words with the default search engine or save the selected photo when Shift is held down.

Mouse Gesture Mouse Gesture allow the user to execute commonly performed tasks (open/close a tab, go back, go forward , print , scrolling page etc.) by drawing a simple symbol on the screen.

Crash Recovery Crash Recovery automatically restores all opened pages after a crash happened.

Save Page to Image Flexible and easy-to-use tool that converts html page from any URL to image. It captures the whole web page's content into JPG, BMP , GIF , PNG or TIFF on the fly.

Quick Proxy Switcher Different internet connections do often require completely different proxy server settings and it's a real pain to change them manually.

AD Blocker Blocks all forms of advertising, including Flash ads, rich media, fly-ins, slide-ins, pop-ups, pop-unders, spyware and adware ads, and messenger ads.

Greasy monkey alike User Script IE7Pro Script is to Internet Explorer7 as Greasemonkey is to Firefox. It lets you remix the Web via scripts.
Inline Search Adds the inline search bar like firefox has, finds as you type, use the F3 and Enter Key to cycle between multiple results, highlight all results.

Spell Check IE7Pro Spell Check will check any text you enter and alert you to possible errors by adding a red underline to any potentially misspelled words.


And many other features... Download from here http://www.ie7pro.com/