How do I delete all or multiple synced apps from iTunes where the app has already been removed from iPad?

Question

I have recently purchased the latest iPad and been trying lots of apps.  These apps are synced with iTunes on a regular basis.  I want to delete synced apps from my iTunes backup that I have removed from my iPad.
I am aware of a manual way of removing apps from the iTunes backup but it is far too painful and cumbersome.  You have to select the iPad under devices, click the apps tab up the top, and then see which items are not ticked (which runs very slow I might add, but it is a big list).  After noting them down, I then visit the apps section under library on the left, highlight all the unwanted apps, right click and delete.
Unless there is some special way of doing this that I am un aware of, it would be really helpful if the libary application view had a column which informed me which ones were still on my iPad.  I could then sort by that column, and then delete all the removed apps.

Answer 1

Yes, delete all the apps currently in iTunes, then transfer all the apps currently on the iPad back into iTunes. Of course it will take some time to sync the apps back into iTunes, but it satisfies your desire to remove all apps from iTunes that are not on your iPad without the need to laboriously note what is and is not there. In fact as a bonus after removing all the apps from iTunes you could open the ..\iTunes Media\Mobile Applications folder and delete any remaining orphaned files that might still be there, before you transfer purchases.
tt2