Opera software inc are preparing for a 10.60 release , which is aimed to be better in performance, user interface (UI).
The UI has been completely redesigned to reflect the eye candy effects visible in Windows Vista or Windows 7.
The opened tabs now have a preview. The Menu system has been redesigned using only one Menu Button.
WARNING: This is an alpha build of Opera. It is released for testing purposes, and there may be serious bugs and unfinished features.