Those of you who are still running SL 5.8 and needing to update Opera to 12.01 There is a .rpm available @ http://my.opera.com/community/forums/topic.dml?id=1341722 its available for 32 or 64 bit systems.
You can save .rpm to directory and use yum localinstall to update your Opera to 12.01 Fixes a number of issues with older versions of Opera. Fixes some and changes some for the worse. Larry Linder