Opera has officially released Opera Mini 5.1 for Android smartphones. They stated in a press release that it’s lightning fast and highly suggest you make it your default mobile browser. Some of the new features with this update are that it brings better kinetic scrolling, auto-saves your browsing sessions but unfortunately does not support Flash.
You can download this via the Android Market.
(On another note, Opera Mini is now used by over 61 million users worldwide)