You can turn on ARC through "Edit->Refactor->Convert to Objective C Arc", this will refactor your code entirely (get rid of all the memory management calls and such). There is no inverse operation so make sure you've got things under source control if you're having second thoughts. This post shows you how to disable it for specific files. I don't think there is too much argument to be made for not turning to it apart from the fact that it hurts to see all this effort put into good memory management go down the drain and that we will have to stop jumping to the ceiling every time we see init, new, copy without a corresponding release/autorelease (and that will take some getting used to). Perhaps it could be argued that in some circumstances manual memory management results in really noticeable performance/memory footprint improvements, if so I'd also be interested.
