Opera released latest stable version of its browser. This build includes the following things
1. Geolocation
2. WebM
3. New HTML5 elements
4. Bing search engine (Google already there)
5. Live Search Suggestions
6. New compact design
7. AVG anti fraud, malware and phishing feeds
From Peacekeeper
So if you are an opera browser user, it worth an upgrade, I must say it a must upgrade for better speed, security and standards. Download it from here
Lifehacker had a test on the browsers (they tested the beta version of Opera 10.60) you can see and compare with other browsers here