Opera Mini Web browser for iPhone has the following features:
Tabs allow for multitasking with several web pages.
Speed dial gets you to your favorite websites with a single tap.
An address field with auto-complete so you type less.
Bookmarks can be easily managed and accessed.
Opera claims that it offers lightening fast and cost effective web browsing experience on the iPhone as it compresses data by 90% before sending it to the iPhone.
It is available on App Store for free