I\'m running Eclipse SDK 3.4.0 on Mac OS X 10.5.6.
Every time I try to install something new through \"software updates\", the message \"The software items you selec
Eclipse has no impact on Mac OS beyond it directory, so there is no problem uninstalling.
I think that What you are facing is the result of Eclipse switching the plugin distribution system recently. There are now two redundant and not very compatible means of installing plugins. It's a complete mess. You may be better off (if possible) installing a more recent version of Eclipse (maybe even the 3.5 milestones) as they seem to be more stable in that regard.