This is at best half correct, depending on the model. The RAM in iMacs come with tabs to help you pull them out. You do need a screw driver, but it's kind of

This is at best half correct, depending on the model. The RAM in iMacs come with tabs to help you pull them out. You do need a screw driver, but it's kind of hard to have a snap-off cover on an aluminum case, no? You are correct about the hard drives on imacs and macbooks, but on the pro machines, those are pretty easy to replace as well.