In the AUR discussion forum, I (quarkup) proposed to make a cleanup on the opera packages. the forum topic is this and it is active: http://bbs.archlinux.org/viewtopic.php?id=84446 you may find some more of the details in the forum there is the "opera" package along with the following ones (as explained on the forum): aur/opera 10.01-1 aur/opera-b1 10.10-1 aur/opera-beta 10.10-10 aur/opera-beta-qt4 10.00b3-1 (Out of Date) aur/opera-bundled 10.01-3 aur/opera-dev 10.10_4694-1 aur/opera-devel-qt4 10.10_4685-1 (Out of Date) aur/opera-dev-qt4 10.00_4493-2 (Out of Date) aur/opera-g4 LATEST-3 aur/opera-qt3 9.64-1 aur/opera-qt4 10.00-6 (Out of Date) aur/opera-shared-b1 10.10-1 aur/opera-static 9.64-1 (Out of Date) aur/opera-unite-devel-qt3 10.00_4440-3 (Out of Date) many of these packages are out of date or are duplicateds. Please check the proposal on the forum.