My recommendations have not change (Berman Post: Web Browsers Updated). It has not changed what I use either which remains Firefox primary, Opera as back up, and Chrome if needed. It is a nice improvement though.
"Opera Software today unveiled the final version of Opera 10. In a world of ordinary Web browsers, Opera 10 stands out from the crowd with innovative new features wrapped in an elegant, fresh interface. Opera 10 is absolutely free, comes in 43 languages, and works on Windows, Mac and Linux platforms. You can download the world’s most innovative browser from http://www.opera.com/.
There are three major things you must try in Opera 10:
Opera Turbo, a new compression technology that solves the pain of slow connections.
A sleek and beautiful interface